【摘 要】
：
本文介绍了压铸用进口新模具材料QDX-HARMOTEX(R).压铸应用对模具材料的要求极高,既需要模具材料具有高韧性以避免龟裂纹的产生与发展,也需要材料具有极其优良的耐高温性能.
【机 构】
：
上海博优模具材料有限公司,中国上海山阳特殊制钢株式会社
论文部分内容阅读
本文介绍了压铸用进口新模具材料QDX-HARMOTEX(R).压铸应用对模具材料的要求极高,既需要模具材料具有高韧性以避免龟裂纹的产生与发展,也需要材料具有极其优良的耐高温性能.由于汽车等行业的迅猛发展,对大尺寸模具材料的要求也越来越高.QDX-HARMOTEX(R)是低硅高铝材料.在化学成分的平衡方面以及材料内部碳化物的有效控制方面得到了良好的优化,使得此材料在显微组织优化方面,韧性方面,淬透性方面,耐高温回火方面,耐龟裂纹方面的诸多性能均较通常使用的进口AISI PGH13材料有较大的提高,能够有效地延长模具寿命.
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