热处理工艺对DIEVAR热作模具钢组织与性能的影响
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摘要
通过对DIEVAR热作模具钢分别在1020、1030和1050℃进行淬火,然后回火热处理,并利用热力学计算软件Thermo-Calc对其进行热力学计算,研究了热处理工艺对DIEVAR钢组织性能的影响。研究表明:在1020℃淬火处理下,碳化物主要为MC、M_(23)C_6和M_2C,模具钢硬度最低;在1030℃淬火处理下,碳化物主要为MC、M_(23)C_6和M2_C,模具钢硬度最高,为537. 23 HV0. 2,耐磨性最好,冲击性能较低;在1050℃淬火处理下,碳化物主要为MC、M_(23)C_6和M_6C,冲击性能最高,为11. 97 J,综合性能较好。
The DIEVAR hot working die steels were quenched at 1020 ℃,1030 ℃,1050 ℃,and then tempered,and Thermo-Calc software was used to calculate the thermodynamics. Effect of heat treatment on microstructure and mechanical properties of DIEVAR hot working die steel was researched. The results show that after quenching at 1020 ℃,the carbides are MC,M_(23) C_6 and M_2 C,the hardness of die steel is the lowest; after quenching at 1030 ℃,the carbides are MC,M_(23) C_6 and M_2 C,the hardness of die steel is the highest,537. 23 HV0. 2,the wear resistance is the best,and the impact performance is low; after quenching at 1050 ℃,the carbides are MC,M_(23) C_6 and M_6 C,the impact property is the highest,which is 11. 97 J.
The DIEVAR hot working die steels were quenched at 1020 ℃,1030 ℃,1050 ℃,and then tempered,and Thermo-Calc software was used to calculate the thermodynamics. Effect of heat treatment on microstructure and mechanical properties of DIEVAR hot working die steel was researched. The results show that after quenching at 1020 ℃,the carbides are MC,M_(23) C_6 and M_2 C,the hardness of die steel is the lowest; after quenching at 1030 ℃,the carbides are MC,M_(23) C_6 and M_2 C,the hardness of die steel is the highest,537. 23 HV0. 2,the wear resistance is the best,and the impact performance is low; after quenching at 1050 ℃,the carbides are MC,M_(23) C_6 and M_6 C,the impact property is the highest,which is 11. 97 J.
引文
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[21]肖伟雄,吴耀荣,叶能,等.浅谈回火不当对热作合金工具钢的影响[J].模具制造,2014(1):86-88.Xiao Weixiong, Wu Yaorong, Ye Neng, et al. Introduction to improper tempering effects on hot-work alloy tool steel[J]. Die&Mould Manufacture,2014(1):86-88.
[2]关琳.针对模具材料选用、热处理与使用寿命的探究[J].实用科技,2014(12):145.
[3]李勇,左秀荣,陈蕴博,等.国内外热作模具钢的研究进展[J].特殊钢,2010,31(3):20-23.Li Yong,Zuo Xiurong,Chen Yunbo,et al. Progress of research in hot working die steel at home and abroad[J]. Special Steel,2010,31(3):20-23.
[4]苏立武. DIEVAR模具钢的真空热处理工艺[J].热处理,2017,32(1):36-39.Su Liwu. Vacuum heat treatment process for the DIEVAR die steel[J].Heat Treatment,2017,32(1):36-39.
[5]续维,吴振毅.几种先进热作模具钢的性能分析[J].上海钢研,2006(1):29-35.Xu Wei,Wu Zhengyi. Property analyse of several types of advance hot work die steel[J]. Shanghai Steel&Iron Research,2006(1):29-35.
[6]Dhouha Mellouli,Nader Haddar,Alain K9ster,et al. Thermal fatigue failure of brass die-casting dies[J]. Engineering Failure Analysis,2012,20(3):137-146.
[7]Qi Yongfeng,Li Jing,Shi Chengbin,et al. Effect of directional solidification of electroslag remelting on the microstructure and primary carbides in an austenitic hot-work die steel[J]. Journal of Materials Processing Technology,2017,249:32-38.
[8]陈英伟,吴晓春.几种典型热作模具钢性能的对比[J].机械工程材料,2010,34(2):27-30.Chen Yingwei,Wu Xiaochun. Comparison of properties for several typical hot die steels[J]. Materials for Mechanical Engineering,2010,34(2):27-30.
[9]王斌.热作模具钢的热加工工艺过程研究[J].模具制造,2017(1):84-89.Wang Bin. Research on hot working process for hot-work die steel[J].Die&Mould Manufacture,2017(1):84-89.
[10]Marcos Pérezn, Francisco Javier Belzunce. The effect of deep cryogenic treatments on the mechanical properties of an AISI H13 steel[J]. Materials Science&Engineering A,2015,624:32-40.
[11]Lesyk D A,Martinez S,Mordyuk B N,et al. Microstructure related enhancement in wear resistance of tool steel AISI D2 by applying laser heat treatment followed by ultrasonic impact treatment[J]. Surface&Coatings Technology,2017,328:344-354.
[12]石文敏,刘静,蔡少华. 3. 5Ni低温钢冲击韧性及断口形貌研究[C]//第十六届中南地区电子显微镜学术交流会论文集.2007:66-69.
[13]王立民,彭梦都,刘正东.热处理工艺对45CrMoV钢组织和冲击韧性的影响[J].材料热处理学报,2015,36(2):166-171.Wang Limin,Peng Mengdu,Liu Zhengdong,et al. Effects of heat treatment on microstructure and impact toughness of 45CrMoV steel[J]. Transaction of Materials and Heat Treatment,2015,36(2):166-171.
[14]计天予,吴晓春. H13改进型热作模具钢的组织与性能[J].钢铁研究学报,2013,25(5):31-39.Ji Tianyu,Wu Xiaochun. Microstructure and mechanical properties of modified-H13 hot working die steel[J]. Journal of Iron and Steel Rrsearch,2013,25(5):31-39.
[15]吴晓峰,马坤,徐娜,等. Cr12MoV模具钢应用的主要问题与热处理研究进展[J].模具制造技术,2009,35(9):55-63.Wu Xiaofeng,Ma Kun,Xu Na,et al. Main problems and research development in application of Cr12MoV die steel[J]. Die&Mould Industry,2009,35(9):55-63.
[16]张春基,河镇哲,马永庆. Cr-W-Mo-V-Si工模具钢热处理时碳化物的转变[J].金属热处理,2001,26(4):24-26.Zhang Chunji,He Zhengzhe,Ma Yongqing,et al. Carbides transform in Cr-W-Mo-V-Si die steel during heat treatment[J]. Heat Treatment of Metals,2001,26(4):24-26.
[17]Zhou Jian,Ma Dangshen,Chi Hongxiao,et al. Microstructure and properties of hot working die steel H13MOD[J]. Journal of Iron and Steel Research,2013,20(9):117-125.
[18]Pastor A,Valles P,Amurrio I,et al. Heat treatment conditions to prevent failure in die cast X38CrMoV5 steel parts[J]. Engineering Failure Analysis,2015,56:520-529.
[19]Tsui T Y,Oliver W C,Pharr G M. Influences of stress on the measurement of mechanical properties using nanoindentation:Part I.Experimental studies in an aluminum alloy[J]. Journal of Materials Research,1996,11(3):752-759.
[20]Toshinobu Nishibata,Nobusato Kojima. Effect of quenching rate on hardness and microstructure of hot-stamped steel[J]. Journal of Alloys and Compounds,2013,577(6):S549-S554.
[21]肖伟雄,吴耀荣,叶能,等.浅谈回火不当对热作合金工具钢的影响[J].模具制造,2014(1):86-88.Xiao Weixiong, Wu Yaorong, Ye Neng, et al. Introduction to improper tempering effects on hot-work alloy tool steel[J]. Die&Mould Manufacture,2014(1):86-88.