Transactions of Materials and Heat Treatment

Title：Influence of viscous medium properties on tube-compression stability of

Authors： Gao Tiejun Liu Yang Chen Peng Liu Zhanjun Wang Zhongjin

Unit： Shenyang Aerospace University Harbin Institute of Technology

KeyWords： viscous medium rheological behavior bulk modulus stability stainless steel SUS304

ClassificationCode：

year,vol(issue):pagenumber：2015,40(1):17-20

Abstract：

Experiments of rheological behavior and compression performance of five kinds of viscous medium with molecular weight of (30-70)×104 g·mol-1 at usual room temperature were carried out. Shear viscosity, relationship between shear strain rate and shear stress and bulk modulus with different kinds of viscous medium were obtained. On that basis, experiments of tube-compression stability of stainless steel SUS304 were conducted. The results show that with the increasing of molecular weight, viscosity and rate sensitivity of the viscous medium increase correspondingly at room temperature bulk modulus decreases. The viscous medium of large molecular weight is selected to improve its viscosity, rate sensitivity, bulk modulus, which is desirable for the stability of stainless steel SUS304.

Funds：

国家自然科学基金资助项目 (51205260) ；辽宁省教育厅资助项目(L2012046)

高铁军 (1977-)，男，博士，副教授

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