A comparison of heat treatment effect on structural and tribological properties of tungsten rich Ni-W and Ni-W-P alloy coatings

被引：8

作者：

Srivastava, Charu ^{[1
]}

Khare, Neelima ^{[2
]}

Limaye, Praveen Kumar ^{[2
]}

Mishra, Satish Chandra ^{[1
]}

Singh, Vishal ^{[3
]}

Kumar, Sanjay ^{[3
]}

Ghosh, Subir Kumar ^{[1
,4
]}

机构：

[1] Bhabha Atom Res Ctr, Mat Proc & Corros Engn Div, Mumbai 400085, India

[2] Bhabha Atom Res Ctr, Reactor Technol Div, Mumbai 400085, India

[3] Bhabha Atom Res Ctr, Mat Sci Div, Mumbai 400085, India

[4] Homi Bhabha Natl Inst, Mumbai 400094, India

来源：

TRIBOLOGY INTERNATIONAL | 2024年 / 198卷

关键词：

Ni-W-P alloy; Electrodeposition; Nanohardness; GIXRD; Wear; Coefficient of friction; H/E; H3/E2; ratio; WEAR BEHAVIOR; SLIDING WEAR; MECHANICAL-PROPERTIES; SODIUM HYPOPHOSPHITE; CORROSION-RESISTANCE; FRICTION; CHROMIUM; HARDNESS; DRY; ELECTRODEPOSITION;

D O I：

10.1016/j.triboint.2024.109876

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper, thick, metallic bright electrodeposited tungsten rich Ni-W-P alloy coatings with two different compositions Ni-36.3wt%W-3.3wt%P (designated as Ni-W-LP) and Ni-19.5wt%W-7.7wt%P (designated as Ni-W-HP) were chosen for comparison of heat-treatment dependent evolution of crystal structure, grain growth, nanohardness and tribological properties with respect to Ni-50.7wt%W coating. The systematic temperature dependent evolution of crystal structure and phases from as-deposited amorphous alloys were mapped using insitu high temperature GIXRD investigation and peak-broadening analysis. Subsequent variation of nanohardness/microhardess was measured. Detailed tribological investigation of both as-deposited and heat-treated coatings was done by ball-on-plate dry sliding experiment and the observed coefficient of friction and wear data were correlated with measured nanohardness, H/E and H3/E2 ratio and a wear mechanism was proposed based on detailed FESEM investigation of wear scars.

引用

页数：15

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