.../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...

... alloys vanadium alloys wear fatigue stress effects mechanical contact slip finite element analysis Fretting fatigue occurs when a component is subjected to cyclic load and is in contact with a mating component under clamping force. Surface damage is induced by the relative motion...

...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...

... delamination of the coating occurred near the location of the crack, but this damage most likely occurred after the formation and growth of the crack. Crack growth would change the compliance, increasing the slip displacement, resulting in increased wear damage at maximum load. The coated dovetail...

... 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 been observed...

...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...

... contact region to a region inside the specimen. Moreover, stress analysis showed that the fatigue failure of shot-peened specimens was caused by the compensatory tensile residual stress. titanium alloys aluminium alloys vanadium alloys wear fatigue internal stresses surface hardening finite...

... surface hardening internal stresses wear impact (mechanical) Cavitation normally causes severe damage in hydraulic machinery such as pumps, hydro turbines, and valves. However, impact as cavitation bubbles collapse can be utilized to peen the surface of metallic...

... 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 programs...

... of tool wear, cutting forces, surface finish and the height of the burrs produced. [S0094-4289(00)02104-6] 20 December 1999 20 April 2000 silicon compounds ceramics particle reinforced composites wear cutting cooling machining aluminium alloys magnesium alloys copper alloys...

...: 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...

.... 05 December 1999 01 March 2000 combined cycle power stations heat exchangers fibre reinforced composites corrosion wear structural engineering Market forces, environmental concerns, and the worldwide abundance of low-cost coal are fueling the demand for efficient...

... . Manuscript received by the Materials Division May 25, 1999; revised manuscript received January 21, 2000. Associate Technical Editor: H. Sehitoglu. 25 May 1999 21 January 2000 friction wear fatigue elastic deformation finite element analysis slip mechanical contact 4...