Rolling sliding fatigue of Hard-chrome surface

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ณภัทร อินทนนท์
ประพันธ์ ยาวระ
ฉัตรแก้ว สุริยะภา

Abstract

The purpose of this research is to investigate the fracture surface of hard-chrome electro-plating surface and it has rolling sliding mechanism contact. The specimen as a casting stainless steel and coating by hard-chrome electro-plating process. The thickness of coating surface was 50 microns. The fracture test was performed using in house built-in tester, based on the testing condition of reciprocating wear testing. The rolling was made of nylon 6,6 and the normal load as 8 N. and the stoke of reciprocating is 1.5 cm. and reciprocating speed is 250 rpm. The total test time was 640 minutes. The weighted loss was used to facture analysis and surface analysis by scanning electron microscope. The results showed that the hard-chrome coating surface was have a micro crack that caused by the residual stress of the
electro-plating process. The crack was increase when the testing time was increase. The increased of weighted loss was due to worn out of the surface.

Article Details

How to Cite
[1]
อินทนนท์ ณ., ยาวระ ป., and สุริยะภา ฉ., “Rolling sliding fatigue of Hard-chrome surface”, UTK RESEARCH JOURNAL, vol. 12, no. 1, pp. 112–118, Jul. 2018.
Section
Research Articles

References

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