Transactions of Materials and Heat Treatment

Title：Study on the plate thickness combination principle of the equality height spacer plate group

Authors： PENG Wei-bo HUANG Ming-hui DUAN Zhi-yong (College of Mechanical and Electrical Engineering Central South University Changsha 410083 China)

Unit：

KeyWords： spacer plates group contact area contact stress plate thickness combinations

ClassificationCode：TG305

year,vol(issue):pagenumber：2008,33(3):118-120

Abstract：

A three-dimension finite element model was built based on the Marc software platform.Via analysis of different plate thickness combinations of equality height spacer plate group,contact stress curves and contact area distribution among the plates were got.It is found that the thickness of the first layer has much more effect on the contact stress and contact area among the different plate thickness combinations.As the plate thickness increases 60%,contact stress decreases 37.5% and contact area increases 48.1%.It shows that adjusting thickness of plates can decrease contact stress and increase contact area,accordingly improve spacer plate group load condition and prolong the spacer plates group lifespan.New spacer plates group design could refer to these analysis results.

Funds：

国家重点基础研究发展计划(973计划)(2005CB724102)

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