Wear behavior of laminated nanostructured CP-Ti sheets fabricated by severe plastic deformation

被引:5
|
作者
Karimi, Mohsen [1 ]
Bozorg, Mansoor [1 ]
机构
[1] Shahrood Univ Technol, Fac Chem & Mat Engn, Shahrood 3619995161, Iran
关键词
Wear; Commercially pure titanium; Severe plastic deformation; Accumulative roll bonding; MECHANICAL-PROPERTIES; PURE TITANIUM; COLD-WORKING; ROLL; MICROSTRUCTURE; STRENGTH; FRICTION; HARDNESS;
D O I
10.1016/j.matchemphys.2022.126634
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this investigation, nanostructured titanium sheets were produced by accumulative roll bonding (ARB). A reciprocating tribometer in a pin-on-flat contact configuration was used to evaluate the wear behavior of ARB-processed sheets. The microstructure of materials was characterized using an optical microscope and trans-mission electron microscope (TEM). The worn surface was studied by a scanning electron microscope (SEM). A peeling test was used to investigate the bonding strength of clad metal sheets. The results showed that the mean grain size of the material reached 110 nm after 8 ARB cycles. For a sliding distance of 1000 m, the wear weight loss decreased by-10% up to the fourth ARB cycle and then increased by-80% up to the eighth cycle compared to the raw material. Almost identical changes in the wear resistance were observed under different normal loads. The variation in wear resistance was attributed to the work hardening, grain size, and the layered structure of the material.
引用
收藏
页数:7
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