3D打印5CrMnMo热锻模钢的性能研究
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摘要
对3D打印5CrMnMo热锻模与传统方法制造5CrMnMo热锻模分别进行了磨损试验和热疲劳试验,并对比分析了两者的耐磨损性能和热疲劳性能。结果表明:3D打印5CrMnMo热锻模与传统方法制造5CrMnMo热锻模的磨损量分别为3.9 g和3.8 g,热疲劳裂纹级别分别为5级和4级。3D打印5CrMnMo热锻模与传统方法制造5CrMnMo热锻模的磨损性能相当,热疲劳性能差异较小。3D打印5CrMnMo热锻模具有较好的工程应用价值。
The wear test and thermal fatigue test of 3 D printed 5 CrMnMo hot forging die steel and traditional manufacturing 5 CrMnMo hot forging die steel were carried out in this paper and the wear resistance and thermal fatigue properties were compared and analyzed.The results shows that wear loss of 3 D 5 CrMnMo hot forging die steel and traditional manufacturing 5 CrMnMo hot forging die steel are 3.9 g and 3.8 g respectively,and the grade of thermal fatigue crack are level 5 and 4,respectively.The wear performance of 3 D 5 CrMnMo hot forging die steel and traditional manufacturing 5 CrMnMo hot forging die steel are equal,and the difference in thermal fatigue properties between this two kinds of steels is small.3 D printing 5 CrMnMo hot forging die steel has good engineering application value.
The wear test and thermal fatigue test of 3 D printed 5 CrMnMo hot forging die steel and traditional manufacturing 5 CrMnMo hot forging die steel were carried out in this paper and the wear resistance and thermal fatigue properties were compared and analyzed.The results shows that wear loss of 3 D 5 CrMnMo hot forging die steel and traditional manufacturing 5 CrMnMo hot forging die steel are 3.9 g and 3.8 g respectively,and the grade of thermal fatigue crack are level 5 and 4,respectively.The wear performance of 3 D 5 CrMnMo hot forging die steel and traditional manufacturing 5 CrMnMo hot forging die steel are equal,and the difference in thermal fatigue properties between this two kinds of steels is small.3 D printing 5 CrMnMo hot forging die steel has good engineering application value.
引文
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[6] Niu Shiyue,Wang Jinghua.Cracking analysis of large hot working die steel 5CrNiMo [J].Metal Working,2013(15):24-25.(牛十月,王敬华.大型热作模具钢5CrNiMo开裂分析[J].金属加工(热加工),2013(15):24-25.)
[7] Kuang Jianxin,Wang Xinheng,Liu Anmin,et al.Study on compound strengthening process for large hot forging die of 5CrNiMo steel[J].Hot Working Technology,2011,40(6):187-189.(匡建新,汪新衡,刘安民等.5CrNiMo钢大型热锻模复合强化工艺研究[J].热加工工艺,2011,40(6):187-189.)
[8] Zhang Yuanyuan,Li Jun,Shi Kai.Property and finite element analysis of 3D printing flexible material[J].Mechanical & Electrical Engineering Magazine,2018(2):138-142.(张媛媛,李军,石凯.3D打印柔性材料特性及有限元分析方法研究[J].机电工程,2018(2):138-142.)
[9] Wang Mei,Wang Lianghui,Liu Zhongxiao,et al.Research on characteristic course based on 3D printing technology—taking “3D print creative studio” as an Example[J].Modern Educational Technology,2015,25(8):120-126.(王美,王良辉,刘中晓,等.基于3D打印技术的特色课程研究——以“3D打印创意工作室”课程为例[J].现代教育技术,2015,25(8):120-126.)
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