Stress–strain model of austenitic stainless steel after exposure to elevated temperatures
作者： Xing-Qiang Wang , Zhong Tao , Tian-Yi Song , Lin-Hai Han
DOI: 10.1016/J.JCSR.2014.04.020
关键词: Metallurgy 、 Stress–strain curve 、 Experimental research 、 Austenitic stainless steel 、 Elastic modulus 、 Ultimate tensile strength 、 Structural material 、 Cooling down 、 Materials science 、 Composite material
摘要: Abstract With the increasing use of stainless steel in structures, there is a research need to evaluate post-fire behaviour this structural material. An experimental was conducted investigate mechanical properties austenitic grade 1.4301 after heating and cooling down room temperature. Three types coupons were tested, including flat corner cut from square hollow section curved extracted circular section. The stress–strain curves exposed various temperatures (200–1000 °C) heat soak times (0–135 min) measured. influence different parameters on elastic modulus, yield strength, ultimate strength strain discussed paper. Based test results, model proposed for exposure fire.
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