國內某材料與冶金學院的研究者們系統地研究了304不銹鋼的高溫物理性能，豐富并完善了對該鋼種的認識，為連鑄生產及數值模擬提供了重要的理論基礎數據。在304不銹鋼的連鑄生產中，中間包溫度應控制在1470～1510℃，拉坯速度根據鑄坯寬度控制在0.9～1.3m/min，水口插入深度保證在160mm左右。對某廠生產的304不銹鋼進行高溫熱物性測試，材料的主要化學成分見下表:表1304不銹鋼的化學成分（質量分數，%）CSiMnPSCrNi0.0400.451.180.0300.00317.2458.112使用NETZSCHDIL402C熱膨脹儀與STA449F3綜合熱分析儀，對304不銹鋼的高溫膨脹與收縮系數、定壓熱容及差示掃描量熱（DSC）曲線進行測試。
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沖擊指標十分重要，是檢驗材質的一個關鍵指標。影響高聚物的實際強度因素主要分兩種：一是與材料本身有關，例女II：高聚物的化學結構，分子量及其分布，是否用回收的舊原料、支化和交聯，結晶與取向，增塑劑等；二是與外界條件有關，：溫度、濕度、光照、氧化、老化和外界的作用力等等。聚合物的分子量低時，沖擊強度會降低。隨著分子量的增加，分子問的作用力增加，沖擊強度會升高。所以原材料是很重要的。其次，增塑劑也影響沖擊性能。
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