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Effect on wear property during LN2 sliding

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Title Effect on wear property during LN2 sliding
 
Creator Sharma, Anurag
Singh, Ramesh Chandra
Singari, Ranganath Muttanna
 
Subject Dry sliding
Cryogenic sliding
Temperature
Wear
Optimization
ANOVA
 
Description 1009-1017
In the presented research work the experiments have been performed by using design of experiments (DOE) L18 [OA] orthogonal array based on Taguchi S/N (signal-to-noise) ratio. The three control factors namely sliding speed, load and sliding distance varied to three levels (1, 2 and 3), respectively. One control factor has the sliding condition varied to two levels (l= Dry and 2= Cryogenic with LN2). The dry sliding condition has been made without any coolant. Cryogenic sliding condition has been made by using the direct supply of LN2 at the interface of pin and disc. Wear volume loss has found to be 45-55% lower during cryogenic cooling with LN2 as compared with dry sliding. (ANOVA) analysis of variance revealed that sliding condition is having the highest effect of contribution at 64.37%. Field emission scanning electron microscope (FSEM) images of the pins have shown (i) adhesion and edge fracture during dry sliding, (ii) clean and smooth surface found during cryogenic cooling. Field scanning electron microscope (FSEM) images of wear tracks showed (iii) delamination, cavities and plough during dry sliding and (iv) the surface generated during cryogenic sliding was clean with low debris.
 
Date 2021-02-05T06:21:10Z
2021-02-05T06:21:10Z
2020-10
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscair.res.in/handle/123456789/56160
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJEMS Vol.27(5) [October 2020]