...Manas Pandey; Nikhil Kumar Ballast cleaning machines play a pivotal role in maintaining the stability and safety of railway tracks by transferring and redistributing ballast on the tracks. However, the wear plates used in these machines are subjected to extreme conditions, making the assessment...

..., compressive strength, electrical and thermal conductance, and wear behavior. The results revealed a notable refinement in grain size and a simultaneous improvement in mechanical properties. Notably, there was a substantial increase in wear resistance attributed to the increased hardness and uniform dispersion...

.../E ≈ 0.09, H 3 /E 2 ≈ 0.024, and 1/HE 2 ≈ 2.86 × 10 −07 ) and used to predict and assess the elastic/plastic and wear resistance. Critical loads L C1 , L C2 , and L C3 obtained with scratch test, were, respectively, 11.5 ± 0.12, 16.6 ± 0.23, and 20 ± 0.35 N. Multi-pass scratch were analyzed...

.... The present work correlates the inter-relationships of various EDM machining parameters, namely, discharge current, pulse-on time, duty cycle, and gap voltage on the metal removal rate (MRR), electrode wear ratio (EWR), and surface roughness using the response surface methodology (RSM) while EDM of Al 2 O 3...

... performed to characterize the pseudoelasticity and shape memory effects. Uni-axial compression tests were also performed at different testing temperatures. The wear tests were conducted using a pin-on-disk tribometer at testing temperatures ranging from 0 ° C to 80 ° C . The wear results showed...

...Ping Huang; Rong Liu; Xijia Wu; Matthew X. Yao The chemical composition of Stellite ® 21 alloy was modified by doubling the molybdenum (Mo) content for enhanced corrosion and wear resistance. The specimens were fabricated using a casting technique. Half of the specimens experienced a heat treatment...

... functionally graded material (FGM) was investigated that combines superelastic and shape memory capabilities of NiTi with the high hardness, wear, and corrosion resistance of Ti C x . CS was employed to produce a FGM from 100% Ti C x ceramic to 100% NiTi intermetallic. Temperature and burning velocity data...

... behavior. The authors gratefully acknowledge the support of Dr. Jeffrey Calcaterra, High Cycle Fatigue Program at Materials and Manufacturing Directorate, Air Force Research Laboratory. 03 06 2004 15 06 2005 titanium alloys aluminium alloys vanadium alloys wear fatigue stress...

...Jiang Hua, Post Doctoral Researcher; Rajiv Shivpuri, Professor In machining titanium alloys with cemented carbide cutting tools, crater wear is the predominant wear mechanism influencing tool life and productivity. An analytical wear model that relates crater wear rate to thermally driven cobalt...

... cavitation tool steel aluminium jets internal stresses forming processes wear fatigue bubbles surface hardening Recently, the use of a high-speed submerged water jet with cavitation, i.e., a cavitating jet, to modify the surface of a material has been demonstrated 1 2 3...

... the palliatives were effective in increasing the fatigue life, the three pad geometries produced essentially the same fatigue life. 14 04 2003 15 07 2003 aluminium alloys titanium alloys vanadium alloys wear fatigue mechanical contact fixtures plasticity burnishing blades discs...

... vanadium alloys wear crack-edge stress field analysis fatigue cracks Fretting fatigue occurs when contacting bodies are subjected to vibratory loads in the presence of clamping forces, leading to premature crack initiation. It results in a considerable reduction of fatigue life/strength and has...

...Keyanoush Sadeghipour; George Baran; Hanqing Zhang; Wei Wu The propagation of a crack initiating at the surface was analyzed to simulate the fatigue wear behavior of glassy polymer materials. A crack in a material half plane was assumed to propagate along a predefined path as a result of contact...

... width and is equal to 0.44 mm. It is this stress component accompanied with wear damage in the surface layer of the specimen that reduces the fatigue life of the specimen. Further, magnitude of this stress decreases with the specimen depth...

... strength of an aluminum alloy specimen treated by this peening process was 50% stronger than that of a specimen without peening. aluminium alloys fatigue surface hardening internal stresses wear impact (mechanical) Cavitation normally causes severe damage in hydraulic machinery...

... June 2000 28 January 2001 wear corrosion creep testing boilers temperature distribution austenitic steel The method of calculating the creep life of superheater/reheater tubes installed in fossil-fuelled boilers is well established and automated. There are a number of computer...

... of tool wear, cutting forces, surface finish and the height of the burrs produced. [S0094-4289(00)02104-6] Barnes , S. , and Pashby , I. R. , 1995 , “ Machining of Aluminum Based Metal Matrix Composites ,” Appl. Compos. Mater. , 2 , pp. 31 – 42 . Chambers , A. R. , and Stephens...

...: no additive, conventional manganese sulphide (MnS) additions and the new MnX additive. A turning operation and cutting speeds of 100–250 m/min were used during which cutting forces, tool wear and surface finish were measured. The MnX material was found to exhibit superior performance. However, this was most...

... of thermal expansion, and good corrosion and wear resistance 4 . The SiC/SiC ceramic matrix composite is fabricated using the chemical vapor infiltration (CVI) process. The CVI process starts with an interface coating applied to the fiber preform. An additional cycle of CVI forms the preceramic polymer...

.... 8 . The two widely applied design parameters suggested by Ruiz et al. 5 for predicting fretting wear F 1 and fretting fatigue life F 2 were calculated for a single load cycle to provide a rationale for the observed decrease in fretting fatigue life...