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Keywords: microstructure
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Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031402.
Paper No: TRIB-21-1098
Published Online: June 16, 2021
...X. H. Wang; S. S. Liu; G. L. Zhao; M. Zhang In situ TiN ceramic particle reinforced FeCoNiCrMnTi high entropy alloy coating was fabricated by laser cladding processing at high purity nitrogen gas atmosphere on the AISI 304 stainless steel substrate. The effect of Ti addition on the microstructure...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2021, 143(5): 051114.
Paper No: TRIB-21-1076
Published Online: May 6, 2021
... and mechanism have been rarely reported. In the current study, a novel Al matrix composite with quasicrystal (QC) and metastable phases as reinforcements was fabricated in situ by DED from Al 91 Fe 4 Cr 5 powders. The heterogeneous microstructure of the QC/Al composite was comprehensively characterized...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2021, 143(5): 051112.
Paper No: TRIB-21-1036
Published Online: May 5, 2021
... property data under controlled conditions that may not map to the entire range of geometries over a part. Described here is the development of a modeling tool enabling prediction of the performance of parts built with AM, with rigorous consideration of the microstructural properties governing...
Journal Articles
Article Type: Research Papers
J. Tribol. June 2021, 143(6): 061402.
Paper No: TRIB-20-1512
Published Online: April 5, 2021
...% CuLa (marked by mbabbitt-2). First, bare Babbitt was modified with different contents of CuLa. The microstructure, microhardness, and wettability of Babbitt were tested and studied. Then, the tribological properties of bare Babbitt, mBabbitt-1, and mBabbitt-2 were conducted by the reciprocating mode...
Journal Articles
Article Type: Research Papers
J. Tribol. August 2021, 143(8): 081702.
Paper No: TRIB-20-1274
Published Online: November 25, 2020
... and subsurface layers. This work addresses the influence of selected deep rolling parameters (pressure, speed, feed, and number of passes) on the surface integrity (roughness, surface and subsurface microhardness, and microstructure) of AISI 1020, AISI 1065, and AISI 1080 carbon steels. Deep rolling...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2020, 142(11): 112401.
Paper No: TRIB-20-1092
Published Online: June 11, 2020
...Bhupinder Singh; Sunny Zafar Metal matrix composite (MMC) clads were developed through microwave cladding technique on CA6NM substrate using different microwave power levels. The influence of microwave power was investigated on the microstructure, phase evolution, mechanical properties, and erosion...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2020, 142(11): 111701.
Paper No: TRIB-19-1525
Published Online: June 8, 2020
...Y. Yang; Y. Zhu; H. Yang Selective laser melting (SLM) is a rapidly developing metal additive manufacturing technology. SLM process parameters have a direct impact on the microstructure of parts, which further affect wear behaviors. Increasing the wear resistance by tailoring process parameters...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2020, 142(10): 101704.
Paper No: TRIB-20-1034
Published Online: May 22, 2020
... min. Phase analysis of processed composites revealed the formation of some hard-intermetallic compounds such as nickel silicides (NiSi, Ni 2 Si, and Ni 3 Si 2 ) and carbides (Cr 3 C 2 and Cr 7 C 3 ). Microstructure analysis confirms the favorable growth of equiaxed grains with uniform dispersion...
Journal Articles
Article Type: Research Papers
J. Tribol. December 2019, 141(12): 121601.
Paper No: TRIB-19-1177
Published Online: September 11, 2019
..., in which mild and severe wear regions were indicated. The differences in microstructure as well as microhardness in subsurfaces were compared between samples worn in the two different regions. The dynamic recrystallization (DRX) softening of the surface material was found to be responsible for mild-severe...
Journal Articles
Article Type: Research-Article
J. Tribol. August 2019, 141(8): 081601.
Paper No: TRIB-18-1401
Published Online: June 4, 2019
...Prosanta Biswas; Manas Kumar Mondal; Durbadal Mandal The microstructural morphology and wear behavior of as-cast Al–X wt% Mg 2 Si (X = 0.0, 5.0, 10.0, 15.0, and 20.0) composites were investigated through optical microscopy (OM), energy dispersive X-ray (EDX) spectrometry, scanning electron...
Journal Articles
Article Type: Research-Article
J. Tribol. April 2019, 141(4): 041605.
Paper No: TRIB-18-1310
Published Online: January 25, 2019
... microwave hybrid heating (MHH) technique. The developed composite clads showed the refined microstructure with the existence of randomly dispersed reinforcement particles inside the Ni based matrix. The phase analysis study results of the clad region revealed the formation of various hard phases of Co 3 W 3...
Journal Articles
Article Type: Research-Article
J. Tribol. October 2013, 135(4): 041301.
Paper No: TRIB-12-1204
Published Online: July 3, 2013
... volumetric wear cobalt chromium molybdenum (CoCrMo) alloy bovine calf serum lubricant microstructure According to the Arthritis Foundation, more than 46 million Americans have arthritis [ 1 ]. The Centers for Disease Control estimate that the annual burden from arthritis in the U.S. includes...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2011, 133(4): 042202.
Published Online: October 6, 2011
...Nick Weinzapfel; Farshid Sadeghi; Vasilios Bakolas; Alexander Liebel Rolling contact fatigue of rolling element bearings is a statistical phenomenon that is strongly affected by the heterogeneous nature of the material microstructure. Heterogeneity in the microstructure is accompanied by randomly...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041404.
Published Online: October 8, 2010
... the influence of the random microstructure topology on subsurface stress distributions in Hertzian contacts. In this paper, a finite element model for analyzing subsurface stresses in an elastic half-space subjected to a general Hertzian contact load with explicit consideration of the material microstructure...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2006, 128(4): 735–744.
Published Online: June 12, 2006
...C.-H. Goh; D. L. McDowell; R. W. Neu The role of microstructure is quite significant in fretting because the scale of plastic strain localization near the surface is on the order of key microstructure features. A dual-phase Ti-6Al-4V alloy that tends to be susceptible to fretting is considered...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2004, 126(4): 809–816.
Published Online: November 9, 2004
...Dana R. Swalla, Graduate Research Assistant; Richard W. Neu, Associate Professor; David L. McDowell, Regent’s Professor This study is focused on characterization of microstructural changes linked to deformation and crack formation mechanisms in duplex Ti-6Al-4V specimens used in displacement...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2001, 123(4): 670–675.
Published Online: August 31, 2000
...B. Podgornik; M. Kalin; J. Vizˇintin; F. Vodopivec, Professor In fretting wear, the microstructure and the mechanical properties of the surface and subsurface layer depend significantly on the temperature field produced in the fretting zone. Information reported in the literature indicate...