fatigue and fretting fatigue of ion

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Can surface modification improve fatigue resistance?Can surface modification improve fatigue resistance?A number of publications have documented that different surface modification treatments can improve the fretting fatigue resistance of titanium alloys to different degrees [2-61. Ion implantation, soft coating and shot peening have been identified as promising surface modification techniques.A survey of surface treatments to improve the fretting fatigue and fretting fatigue of ion(plate) Fatigue and fretting fatigue of ion-nitrided 34CrNiMo6 fatigue and fretting fatigue of ion

This work is concerned with the surface treatment (ion nitriding) of fretting fatigue and fatigue resistance of 34CrNiMo6. Tests are made on a servo-hydraulic machine under tension for both treated fatigue and fretting fatigue of ion(plate) How does asperity affect fatigue?How does asperity affect fatigue?Localised surface damage at the asperity level may play a role in accelerating the initiation of cracks at the asperity scale. Feature (i) is particularly important since it is likely to lead to a much stronger size effect in fretting fatigue than in plain fatigue.RECENT DEVELOPMENTS IN THE UNDERSTANDING OF FRETTING FATI

Why is feature important in fretting fatigue?Why is feature important in fretting fatigue?Feature (i) is particularly important since it is likely to lead to a much stronger size effect in fretting fatigue than in plain fatigue. Because of the severity of the stress gradient this effect is likely to be even more significant than that in notch fatigue.RECENT DEVELOPMENTS IN THE UNDERSTANDING OF FRETTING FATI(plate) An investigation of fatigue and fretting in a dovetail fatigue and fretting fatigue of ion

Sep 01, 1984Specimens designed to reproduce the state of stress of the dovetail joint between blade and disk in a typical gas-turbine configuration have been tested in a 250-kN capacity biaxial fatigue machine. The materials tested were Ti-IMI 829 (disk and blade), Inco 901 and steel FV535 (blades only). The investigation highlights the importance of fretting at the disk/blade interface.(plate) Author Hasim MulazimogluPublish Year 2010JsLoLL C - DTIC(steel) A fretting fatigue damage threshold that results from the fretting was found to required exist before for both any materials. fatigue life At all reduction load levels occurs. a given Presumably amount the of fretting damage leads damage to isthe

Author J. E. Elder, R. Pishva, W. Doswell, G. Weatherly, W. WallacePublish Year 1990Optimising ion implantation conditions for improving wear fatigue and fretting fatigue of ion

Jul 19, 2013Improving the fretting fatigue strength via ion implantation is more likely to result from implanting with ions to reduce wear rather than fatigue. Because the mechanisms in unidirectional sliding wear and fretting wear are essentially the same in Ti6Al4V, it appears that ions which improve unidirectional wear resistance should also improve fretting wear.(plate) Author N Maruyama, K Nakazawa, Sumita, M. Sato, M.Publish Year 1998The Effects of Surface Texture on Fretting Fatigue between fatigue and fretting fatigue of ion(steel) Sep 28, 2010In general the fretting fatigue condition leads to degraded properties of metallic structures due to the presence of the surface stress concentration resulting at the sites of fretting pits. In many cases, fretting can result in premature structure failures therefore a series of counter measures are frequently taken to minimize fretting fatigue and fretting fatigue of ion(plate) Cited by 138Publish Year 1998Author Yongqing Fu, Nee Lam Loh, Andrew W Batchelor, Daoxin Liu, Xiaodong Zhu, Jaiwen He, Kewei XuRECENT DEVELOPMENTS IN THE UNDERSTANDING OF (steel) researchers who have suffered unintended fretting fatigue failures in this configuration. Indeed, fretting between a specimen and grips has been used the basis of a fretting fatigue test by Hutson et al. [2]. Following the early investigations, fretting was recognised as being

Cited by 13Publish Year 1989Author S Saritas, R.P.M Procter, W.A GrantOptimising Ion Implantation Conditions for Improving Wear fatigue and fretting fatigue of ion

May 01, 1989Improving the fretting fatigue strength via ion implantation is more likely to result from implanting with ions to reduce wear rather than fatigue. Because the mechanisms in unidirectional sliding wear and fretting wear are essentially the same in Ti-6AI-4 V, it appears that ions which improve unidirectional wear resistance should also improve fretting wear.(plate) Cited by 17Publish Year 1995Author S. Chakravarty, R. G. Andrews, P. C. Painaik, A. K. Koul(PDF) A review of the effects of cyclic contact loading on fatigue and fretting fatigue of ion(steel) fretting fatigue life and mos t of aspects of fretting fati- gue mechanism such as crack initi ation location, crack propagation direction and fretting fatigue lif e have been(plate) Cited by 17Publish Year 1995Author S. Chakravarty, R. G. Andrews, P. C. Painaik, A. K. KoulA Study on Surface Modification of Al7075-T6 Alloy against fatigue and fretting fatigue of ion(steel) They compared fretting fatigue tests (a) without any surface modification, (b) nitriding in the absence of substrate temperature control, (c) nitriding with substrate temperature control, (d) titanium coated by magnetron sputtering PVD technique, (e) titanium coated by ion coating technique, (f) nitriding followed by titanium coating using fatigue and fretting fatigue of ion

Cited by 17Publish Year 2008Author B. Rajasekaran, S. Ganesh Sundara RamanImprovement in fretting wear and fatigue resistance of Ti fatigue and fretting fatigue of ion

Aug 04, 1998In this study, our aim was to improve the fretting wear and fretting fatigue resistance of titanium alloys by using several types of surface treatments and thin films, including shot-peening, ion-beam-enhanced deposition (IBED) CrN films, shot-peening+IBED CrN films as (plate) Cited by 17Publish Year 2014Author E. Mohseni, E. Zalnezhad, Ahmed A. D. Sarhan, A. R. BushroaSimilarities of stress concentrations in contact at round fatigue and fretting fatigue of ion(steel) Dec 24, 2001The fretting fatigue crack initiation can then be investigated by relating the maximum tensile stress with the fatigue endurance stress. The result is analogous to that of Barsom and McNicol where the notched fatigue endurance stress was correlated with the stress intensity factor and the square root of the notchtip radius.(plate) Cited by 22Publish Year 1988Author J. E. Elder, R. Thamburaj, P. C. PatnaikEffect of Ion Implantation on Fretting Fatigue in Ti 6Al fatigue and fretting fatigue of ion(steel) The effect of fretting on the fatigue life of titanium alloys is known to be severely deleterious. A preliminary study shows ion implantation to hold great promise for improving the fretting fatigue

Cited by 25Publish Year 2015Author Fei Shen, Weiping Hu, Weiping Hu, George Z. Voyiadjis, Qingchun MengPlain fatigue and fretting fatigue behaviour of plasma fatigue and fretting fatigue of ion

Jun 15, 2008For plain fatigue tests the cycle frequency was 20 Hz and for fretting fatigue tests it was 10 Hz. Fretting fatigue experiments were conducted using a ring type load cell and bridge type fretting pads, which can simulate flat-on-flat contact fretting fatigue conditions. Full details of the test setup are given elsewhere.(plate) Cited by 28Publish Year 2001Author J.D Costa, J.M Ferreira, A.L RamalhoFatigue and fretting fatigue of ion-nitrided 34CrNiMo6 (steel) The test parameters involve the applied displacements d 80 170 lm; fretting pressure rn 10001400 MPa; fatigue stress amplitude ra 380680 MPa and stress ratio R ÿ1. The ion nitriding process improves both fatigue and fretting fatigue lives. Subsurface crack initiation from internal discontinuities was found for ion-nitrided speci-(plate) Cited by 2Publish Year 2017Author Iñigo Llavori, Jon Ander Esnaola, Alaitz Zabala, Miren Larrañaga, Xabier GomezFretting Wear - Fretting Fatigue - Google Sites(steel) Fretting fatigue phenomenon occurs under partial slip regime and it is known that fretting wear amount is negligible in partial slip condition when compared with gross slip regime. In fretting fatigue, fretting damage initiation process or cracking is governed by fretting and wear appears after transition to gross sliding (gross slip) as shown fatigue and fretting fatigue of ion

Cited by 366Publish Year 1984Author C. Ruiz, P. H. B. Boddington, K. C. ChenThe Effect of Ion Nitriding and Carbonitriding on Fretting fatigue and fretting fatigue of ion

AbstractThe paper deals with the effect of ion nitriding and carbonitriding on fatigue strength of steel parts under the fretting conditions. Instrumented fatigue tests were carried out on surface treated flat bars from EA1N and EA4T steels with different strength. The chosen surfacing decrease importantly an unfavorable fretting effect.(plate) Cited by 4Publish Year 1982Author RG Vardiman, D Creighton, G Salivar, A Effatian, BB RathA survey of surface treatments to improve the fretting fatigue and fretting fatigue of ion(steel) Carbon or nitrogen ion implantation improves the fretting fatigue resistance of base Ti-6Al-4V to some extent. For nitrogen implantation, the fretting fatigue life of three specimens ranged from 47,890 to 55,670 cycles and, on an average, the fretting fatigue life was 15% higher than for the base material.(plate) Cited by 5Publish Year 2000Author S Chakravarty, JP Dyer, JC Conway, AE Segall, PC PatnaikCommon features of fretting-fatigue cracking in steels fatigue and fretting fatigue of ion(steel) Dec 01, 2002Fretting can occur when repeated loading on a structure or part causes repetitive relative movement at contacting metallic surfaces. The fretting process may cause local metal loss and impact the initiation and/or propagation of fatigue cracks. There are some features of fretting-fatigue cracking that are unique. Several of these features are illustrated in three case histories described in fatigue and fretting fatigue of ion

Cited by 5Publish Year 2008Author M. Kubota, Y. Tanaka, Y. KondoAn Experimental Investigation of Fretting Fatigue in Ti fatigue and fretting fatigue of ion

Aug 23, 2000A systematic investigation of the fretting fatigue behavior of the titanium alloy Ti-6Al-4V in both the mill-annealed (MA) and the solution-treated and overaged (STOA) conditions was carried out. A sphere-on-flat fretting fatigue device was used that facilitated real-time control and monitoring of(plate) Cited by 62Publish Year 1985Author K. Tanaka, Y. Mutoh, S. Sakoda, G. Leadbeater(PDF) AN EXPERIMENTAL STUDY OF THE EFFECT OF (steel) In this work, improvement in fretting fatigue life of AL7075T6 has been investigated by titanium surface coating using ion-beam-enhanced deposition (IBED) technique and shot peening.(plate) Cited by 78Publish Year 1989Author J. E. Elder, R. Thamburaj, P. C. PatnaikEffects of fatigue damage and wear on fretting fatigue fatigue and fretting fatigue of ion(steel) Sep 15, 2015In fretting fatigue, the elasto-plastic constitutive model is more appropriate to use as one calculates the stress and strain in the contact zone where plastic deformation may occur due to stress concentration. The Chaboche plasticity model is adopted in this study due to its simplicity and ease of use. In the case of fatigue damage, the damage fatigue and fretting fatigue of ion

Cited by 9Publish Year 2002Author P. C. Chan, J. C. ThornleyExperimental and numerical study on fretting wear and fatigue and fretting fatigue of ion

Fretting fatigue. In fretting contact surfaces are worn and, at the same time, they are affected by cyclic friction stress. Fatigue with fretting is called fretting fatigue [4]. The friction stress is maximum on the contact surface of the material and decreases drastically toward the inside of (plate) Determination of Fretting Fatigue Behavior in Titanium fatigue and fretting fatigue of ion(steel) Abstract-Fretting fatigue is an important concern in the structures and machine parts that are subjected to repeated relative movements between them. In current study a review of the work done by various researchers related to the evaluation of fretting fatigue response of Ti-6Al-4V has been presented.(plate) Effect of ion implantation on fatigue, fretting and fatigue and fretting fatigue of ion(steel) Aug 01, 1989The fretting tests were, in all cases, carried out with similarly treated surfaces in contact with each other, i.e. both as-received or both implanted. The fatigue and fretting tests reported in this paper were supported by examination of the wear scars using scanning electron microscopy (SEM) undertaken before the profilometry.

Effects of Shot Peening on Fretting Fatigue Crack fatigue and fretting fatigue of ion

Effects of Shot Peening on Fretting Fatigue Crack Initiation Behavior Materials (Basel). 2019 Mar 4;12(5):743. doi 10.3390/ma12050743. Authors Xin Liu 1 , Jinxiang Liu 2 , Zhengxing Zuo 3 , Huayang Zhang 4 Affiliations 1 School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China. [email protected] fatigue and fretting fatigue of ion(plate) Effects of heat treatment and amount of SiC particles on fatigue and fretting fatigue of ion(steel) Mar 20, 1998In this study, using 2024-T6 heat treated Al-alloy composite and 2024-O heat treated Al-alloy composite reinforced respectively with 10, 20 and 25Vol% of SiC particles (SiCp) in mean size of 2{mu}m, a fatigue strength test and a fretting fatigue strength test are conducted, and the roles of the second phase on the two strengths and their effects on the mechanical properties of the matrix are fatigue and fretting fatigue of ion(plate) FRETTING FATIGUE BEHAVIOR OF SHOT-PEENED IN 100(steel) The fretting fatigue behavior of shot-peened of IN 100 was investigated in this study. S-N curves were obtained for two different shot-peened intensities (7A and 12A) and were compared to those of unpeened specimens. Stress relaxation behavior under fretting fatigue was also investigated after their measurements were obtained using the X-

FRETTING FATIGUE IN 0.55C SPRING STEEL AND 0.45C

The pad contact pressures were kept constant at 60 MPa for SUP9 steel and at 45 MPa for S45C steel. The fretting reduced the fatigue strengths by a factor of about two in both the steels.(plate) Features of fretting fatigue strength/life and its fatigue and fretting fatigue of ion(steel) 3.2 Fretting fatigue strength / life dependence on contact edge shape To improve the fretting fatigue strength, the stress release projection is sometimes made on contact edge as shown in Fig. 8 [8]. This projection piece reduces the local stiffness and releases the (plate) Finite element simulation of fretting wear- fatigue fatigue and fretting fatigue of ion(steel) of slip on fretting fatigue, e.g. Jin and Mall.6 The Ruiz parameters7 are an empirical approach which account for slip, but their application is generally considered to be limited to predicting crack location, as opposed to cycles to failure (fatigue life).

First published 01 Apr, 2003Genres Medicine, Textbook, Science, HealthFretting Review on the Numerical Simulation and Modeling fatigue and fretting fatigue of ion

Jun 16, 2017In this case, there is a minimum wear, and fatigue failure occurs due to crack incubation and growth (fretting fatigue). Gross-slip regime the contact interface is in slip regime. The failure mainly occurs due to wear (fretting wear). Depending on the magnitude of stresses, fretting can cause catastrophic failure of mechanical components.(plate) Fretting - A Type of Metal Fatigue - Lambda Technologies(steel) Fretting can reduce the fatigue strength of the material from one-half to one-third of its normal endurance limit, causing fatigue failure. The visible corrosion is not the cause of the fatigue. It comes from small shear induced micro-cracks at the edges of the contact zones.(plate) Fretting Fatigue Advances in Basic Understanding and fatigue and fretting fatigue of ion(steel) Fretting fatigue failure has been increasingly disclosed in service components because those components have suffered more severe loading conditions than before due to the demands of save-energy and environment-preservation. Twenty-nine peer-reviewed papers cover Fretting in Steel Ropes and Cablereviews the topic. fatigue and fretting fatigue of ion

Fretting fatigue strength of SCM435H steel and SUH660 heat fatigue and fretting fatigue of ion

The amount of the decrease of the fretting fatigue limit at 3 × 10 7 cycles was 11% for SCM435H and 15% for SUH660. However, at the stress level above the fretting fatigue limit in air, the finite life in hydrogen gas increased more than that in air. The cause of extension of fatigue life was the delay of start of stable crack propagation.(plate) Images of Fatigue and Fretting Fatigue of Ion(steel) imagesPeople also askHow can fretting fatigue be improved?How can fretting fatigue be improved?With an increase in surface hardness, the fretting wear mechanism may be partly changed from seizing and adhesion to sliding wear. As a result, the fretting fatigue life is improved. Shot peening dramatically improves the fretting fatigue resistance of Ti-6Al-4V, although the scatter in the fretting fatigue data is quite large.A survey of surface treatments to improve the fretting fatigue and fretting fatigue of ion(plate) Influence of Surface Treatments on Fretting Fatigue of Ti fatigue and fretting fatigue of ion(steel) A study has been carried out to evaluate the influence of various surface treatments, such as ion treatments, coatings and shot peening, on the fretting fatigue life of titanium alloy gas turbine engine components at elevated temperature. Results from high temperature fretting fatigue and pin-on-disk wear tests are discussed in this paper.

Influence of plasma nitriding on plain fatigue and fatigue and fretting fatigue of ion

Fretting fatigue tests were carried out with a Wöhler rotating bending fatigue machine, using SN curves to evaluate the fretting fatigue properties of the untreated and plasma-nitrided steel.(plate) Investigation of fretting fatigue behaviour under fatigue and fretting fatigue of ion(steel) fretting fatigue conditions, was designed and fabri-cated. Fretting pads were made of the same testing material 60Si2Mn alloy steel in the tempered condi-tion. The contact surfaces of the pads were polished with four grades (1/0, 2/0, 3/0, and 4/0) of silicon(plate) Mitigation of Fretting Fatigue Damage in Blade and Disk fatigue and fretting fatigue of ion(steel) the fretting induced shear cracks eliminating fatigue cracking and failure. The effectiveness of the compressive residual stress technologies in mitigating fretting fatigue failure depends upon the depth and magnitude of compression, and the stability of the compressive residual stresses during further processing of components and in service.

Preventing Fretting Fatigue in Blade Dovetail Roots by fatigue and fretting fatigue of ion

microslip and promote fretting dam-agethus inducing fatigue cracks in the fretting zone (Ref. 16). The failure of the blade root is caused by frettage fatigue cracking of the root, which then acts as a stress concentration. The crack can then propagate across the root due to high cycle fatigue, ultimately leading to complete failure of the fatigue and fretting fatigue of ion(plate) Progress in standardization of fretting fatigue fatigue and fretting fatigue of ion(steel) fretting fatigue test program instead of attempting to standardize specic generic test methods. This paper rst reviews the standards specically related to fretting that have been adopted. It then describes the current activities in ASTM E08 Committee on Fatigue and Fracture, and in particular, the E08.05.05 Task Group on Fretting fatigue and fretting fatigue of ion(plate) Publications - Fretting Fatigue - Google Sites(steel) fretting fatigue experiments and numerical simulations. L, Bracke, D. De Knijf, C. Gerritsen, R. H. Talemi, and E.Diaz Gonzalez (2017)."Development of Direct Quenched Hot Rolled Martensitic Strip Steels", Metals, 7, 9 326.R. H. Talemi, S. Chhith & W. De Waele (2017). "Experimental and numerical study on effect of forming process on low cycle fatigue behavior of high strength steel", Fatigue fatigue and fretting fatigue of ion

Single Clamp Pad - Fretting Fatigue - Google Sites

fretting fatigue experiments and numerical simulations. The loads were applied in three steps. Normal contact load, F, was applied in the first step to establish contact between pad and specimen.One of the challenging tasks in fretting fatigue contact model is modelling the tangential load Q or the spring attached to the fretting pad. in this type of experiments the pads are restrained by fatigue and fretting fatigue of ion(plate) The Effect of Ion Implantation on the Fretting Fatigue fatigue and fretting fatigue of ion(steel) Abstract. The feasibility of applying ion implantation to produce substantial improvement in the wear/fretting fatigue resistance of titanium alloys used as gas turbine fan and compressor blade material has been studied.(plate) The effect of surface modification on fretting fatigue in fatigue and fretting fatigue of ion(steel) A study has been carried out to evaluate the effect of an ion implantation technique in combination with the presently used surface treatments, such as shot peening and coating, on the fretting fatigue life of titanium alloy gas turbine engine components.

The effect of surface modification on fretting fatigue in fatigue and fretting fatigue of ion

Apr 01, 1995Severe fretting damage has been observed on the pressure surfaces of fan and compressor blade dovetails/disks in an aerospace gas turbine engine. A study has been carried out to evaluate the effect of an ion implantation technique in combination with the presently used surface treatments, such as shot peening and coating, on the fretting fatigue life of titanium alloy gas turbine (plate) Wear and fretting fatigue behavior of titanium alloy fatigue and fretting fatigue of ion(steel) Download Citation Wear and fretting fatigue behavior of titanium alloy coated with functionally graded TiN film by ion beam assisted deposition The effect of functionally graded TiN coating on fatigue and fretting fatigue of ion(plate) fatigue and fretting fatigue of ion(steel) fretting fatigue pdffretting fatigue wearfretting fatigue definition painSome results are removed in response to a notice of local law requirement. For more information, please see here.

Fatigue and fretting fatigue of ion-nitrided 34CrNiMo6 fatigue and fretting fatigue of ion

Jan 01, 2001The ion nitriding process improves both fatigue and fretting fatigue lives. Subsurface crack initiation from internal discontinuities was found for ion-nitrided specimens.

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