Journal article
Behaviour of stainless steel bolts after exposure to elevated temperatures
Y Hu, SL Tang, AK George, Z Tao, XQ Wang, HT Thai
Journal of Constructional Steel Research | ELSEVIER SCI LTD | Published : 2019
Abstract
This paper presents experimental results of residual material properties of stainless steel bolts (austenitic grades A2–70 and A4–70) after exposure to elevated temperatures. Effects of temperature (20–900°C) and cooling method (cooling in air and cooling in water) on the mechanical properties (i.e., Young's modulus, yield stress, ultimate strength, ultimate strain and strain hardening exponent) of the two types of bolts are investigated. The residual properties of the stainless steel bolts are also compared with those of structural austenitic stainless steel and conventional high-strength structural bolts made of carbon steel. It was found that the exposure to elevated temperature only had ..
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Awarded by National Natural Science Foundation of China
Funding Acknowledgements
The authors would like to acknowledge the financial support from National Natural Science Foundation of China (NSFC Project No. 51578092), 111 Project of China (Grant No. 18062), Chongqing Science and Technology for Fundamental Science and Cutting-edge Technology (CSTC Project No. cstc2016jcyjA1097) and Chongqing Science and Technology Commission for Technology Innovation of Social Business and Insurance (CSTC Project No. cstc2015shmszx1227). The research is also partly supported by Project of Science and Technology of Shandong Colleges and Universities (Project No: J14LG52), and Research Supporting Project of Shandong Polytechnic (Project No: KY-W201403). Comments and assistance toward this research project from Mr. JL Wen and Mr. G Yao at Shenyang National Laboratory for Material Science of the Chinese Academy of Sciences, are also highly appreciated.