High-Temperature Friction and Wear Studies of Nimonic 80A and Nimonic 90 Against Nimonic 75 Under Dry Sliding Conditions

被引：23
|
作者：
Khajuria, G. [1 ]
Wani, M. F. [1 ]
机构：
[1] Natl Inst Technol Srinagar, Mech Engn Dept, Tribol Lab, Srinagar 190006, Kashmir, India
来源：
TRIBOLOGY LETTERS | 2017年 / 65卷 / 03期
关键词：
Nickel superalloy; High temperature; Friction; Wear; Surface roughness; Glaze layer; MECHANICAL-PROPERTIES; OXIDE-FILMS; ALLOYS; MICROSTRUCTURE; SUPERALLOYS; METALS; DEBRIS; STEELS;
D O I：
10.1007/s11249-017-0881-1
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The present research focuses on dry sliding friction and wear behaviour of Nimonic 80A and Nimonic 90 against Nimonic 75 at high temperature up to 1023 K. The influence of temperature, sliding distance and normal load on friction and wear behaviour of Nimonic 80A and Nimonic 90 against Nimonic 75 was studied using pin (Nimonic 75)-on-disc (Nimonic 80A and Nimonic 90). Lower wear and lower friction of superalloys was observed at high temperatures, as compared to room temperature. Surface morphological and surface analytical studies of fresh and worn surfaces were carried out using optical microscopy, 3D profilometer, scanning electron microscope, energy-dispersive X-ray spectroscopy and Raman spectroscopy to understand the friction and wear behaviour. The mechanism of the formation of microscale glaze layer is also discussed.
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页数：26
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