MoS2 첨가에 따른 Fe-Cr-Mn-C-V계 소결합금의 기계적 특성 평가
The Effects of MoS2 Addition on the Mechanical Properties of Fe-Cr-Mn-C-V PIM Alloy
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초록
The connecting rod is one of the most important parts in automotive engines, transforming the reciprocalmotion of a piston generated by internal combustion into the rotational motion of a crankshaft. Recent advances in highperformance automobile engines demand corresponding technological breakthroughs in the materials for engine parts. Inthe present research, the powder metallurgy (P/M) process was used to replace conventional quenching and/or temperingprocesses for mass production and ultimately for more cost-efficient manufacturing of high strength connecting rods. The development of P/M alloy powder was undertaken not only to achieve the improvement in mechanical properties,but also to enhance the machinability of the P/M processed connecting rods. Specifically MoS2 powders were added aslubricants to non-normalizing Fe-Cr-Mn-V-C alloy powder to improve the post-sintering machinability. The effects ofMoS2 addition on the microstructure, mechanical properties, and machining characteristics were investigated.
Abstract
The connecting rod is one of the most important parts in automotive engines, transforming the reciprocalmotion of a piston generated by internal combustion into the rotational motion of a crankshaft. Recent advances in highperformance automobile engines demand corresponding technological breakthroughs in the materials for engine parts. Inthe present research, the powder metallurgy (P/M) process was used to replace conventional quenching and/or temperingprocesses for mass production and ultimately for more cost-efficient manufacturing of high strength connecting rods. The development of P/M alloy powder was undertaken not only to achieve the improvement in mechanical properties,but also to enhance the machinability of the P/M processed connecting rods. Specifically MoS2 powders were added aslubricants to non-normalizing Fe-Cr-Mn-V-C alloy powder to improve the post-sintering machinability. The effects ofMoS2 addition on the microstructure, mechanical properties, and machining characteristics were investigated.
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