On Mechanical Behaviour at High Temperature for Carbon Steel
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摘要: 借助Gleeble1500熱模擬試驗機,測試了45鋼自凝固點至600℃溫溫度范圍內的強度和塑性變化規律,并就加熱方式、應變速率、冷卻速度等因素對凝固溫度區、奧氏體區和γ→α相變區的強度和塑性的影響進行了研究,還對3個區形成裂紋的機理進行了初步探討。Abstract: The rules of stength and ductility for 45 steel under temperature range from solidus to 600℃ were measured by a thermal stress/strain simulator Gleeble 1500. The influence of thermal history, strain rate and cooling rate on strength and ductility at solidifying region, Austenitic region and γ→α region was studied. The mechanism of cracking in these three regions was investigated.
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