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<strong>Experimental Investigation of Mechanical and Thermal Study of Mg/B4C/Cr Hybrid Composites</strong>

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Title Statement <strong>Experimental Investigation of Mechanical and Thermal Study of Mg/B4C/Cr Hybrid Composites</strong>
 
Added Entry - Uncontrolled Name SINGH, SAKSHI ; Mechanical and Automation Engineering Department, Indira Gandhi Delhi Technical University for Women, Delhi
Chauhan, Nathi Ram; Mechanical and Automation Engineering Department, Indira Gandhi Delhi Technical University for Women, Delhi
University Grant Commission
 
Uncontrolled Index Term Mechanical Engineering and Materials Science
Hybrid Composites; Mechanical Properties; Thermal Properties; B4C Particles; Chromium; Stir Casting
 
Summary, etc. This study explores the investigation of enhanced mechanical and thermal properties of Mg/B4C/Cr hybrid composites having varying 3, 5, 7 wt. % of B<sub>4</sub>C and Cr reinforcements in Mg-matrix. The bottom pouring vacuum-based squeezed stir casting process is used to fabricate these composites. The Mg/B<sub>4</sub>C/Cr hybrid composites evaluate ultimate strength, elongation percentage, expansion coefficient, heat conductivity, hardness, and then compared with Mg/5B<sub>4</sub>C and Mg/5Cr composites. Each of Mg-based hybrid composites results indicates higher thermal conductivity and expansion coefficient than Mg/5B<sub>4</sub>C and Mg/5Cr composites. The tensile results reveal that the Mg/B<sub>4</sub>C/Cr hybrid composites show mixed morphologic behaviour of brittle-ductile while Mg/5B<sub>4</sub>C and Mg/5Cr composites are individually evident with brittle behaviour. The proper interfaces between Cr particles and Mg matrix illustrate reduced dislocations with efficient strength and thermal results. However, B<sub>4</sub>C particles present in the base matrix is liable for the effective hardness and ultimate strength in the Mg/B<sub>4</sub>C/Cr hybrid composites. In comparison with other composites (Mg/B<sub>4</sub>C and Mg/Cr), Mg/B<sub>4</sub>C/Cr hybrid composite shows efficient thermal conductivity with high thermal conductance which diverges towards the application of gas cylindrical liners.
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2021-06-11 13:06:17
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/37644
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 59, ##issue.no## 5 (2021): Indian Journal of Pure & Applied Physics
 
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