热处理对激光选区熔化制备CX不锈钢微观组织与性能的影响

陈锦伊; 陈信豪; 马晶晶; 张可召; 冯时; 严春妍; 包晔峰

doi:10.7512/j.issn.1001-2303.2024.03.05

重点关注 | 浏览量 : 0 下载量: 0 CSCD: 0 更多指标

PDF
导出
分享
收藏
专辑

热处理对激光选区熔化制备CX不锈钢微观组织与性能的影响
Effect of Heat Treatment on Microstructure and Properties of SLM Formed CX Stainless Steel
2024年54卷第3期页码：30-35
纸质出版日期： 2024-03-25 ，
DOI： 10.7512/j.issn.1001-2303.2024.03.05

扫描看全文

陈锦伊，陈信豪，马晶晶，等.热处理对激光选区熔化制备CX不锈钢微观组织与性能的影响［J］.电焊机，2024，54（3）：30-35.

CHEN Jinyi, CHEN Xinhao, MA Jingjing, et al.Effect of Heat Treatment on Microstructure and Properties of SLM Formed CX Stainless Steel[J].Electric Welding Machine, 2024, 54(3): 30-35.
陈锦伊，陈信豪，马晶晶，等.热处理对激光选区熔化制备CX不锈钢微观组织与性能的影响［J］.电焊机，2024，54（3）：30-35. DOI： 10.7512/j.issn.1001-2303.2024.03.05.

CHEN Jinyi, CHEN Xinhao, MA Jingjing, et al.Effect of Heat Treatment on Microstructure and Properties of SLM Formed CX Stainless Steel[J].Electric Welding Machine, 2024, 54(3): 30-35. DOI： 10.7512/j.issn.1001-2303.2024.03.05.

摘要

采用激光选区熔化技术（SLM）制备了CX不锈钢（Corrax Stainless Steel），并对沉积态、固溶态、固溶时效态三种条件下的CX不锈钢进行显微组织分析和室温拉伸性能测试。结果表明，沉积态CX不锈钢的显微组织由99.4%马氏体和0.6%残余奥氏体组成，固溶处理后得到的组织为马氏体，在固溶处理的基础上进一步时效处理后，奥氏体的含量明显提高，同时伴随有NiAl金属间化合物析出。固溶时效处理显著提高了CX不锈钢的强度，可达1 426 MPa，因为NiAl相产生第二相强化效应，而逆转变奥氏体生成也改善了塑性。断口形貌分析显示三种热处理条件下CX不锈钢的断裂机制均为韧性断裂。

Abstract

CX stainless steel was prepared by selective laser melting(SLM)

and the microstructure and room temperature tensile properties of as-built

solution treated

and solution-aging treated samples were investigated. The results show that the microstructure of as-built CX stainless steel is composed of 99.4% martensite and 0.6% austenite. After the solution treatment

the microstructure is composed of full martensite

accompanied by the precipitation of NiAl intermetallic compounds. Further aging treatment on the basis of solution treatment significantly increased the content of austenite

The solution-aging treatment significantly improve the strength of CX stainless steel

reaching 1 426 MPa

due to the second-phase strengthening effect of the NiAl phase

while the formation of reversed austenite also improved plasticity. Fracture morphology analysis show that the fracture mechanism of CX stainless steel under the three heat treatment conditions was ductile fracture.

关键词

马氏体时效不锈钢激光选区熔化技术热处理显微组织拉伸性能

Keywords

maraging stainless steelselective laser meltingheat treatmentmicrostructuretensile property

references

杨柯，牛梦超，田家龙，等. 新一代飞机起落架用马氏体时效不锈钢的研究［J］. 金属学报，2018，54（11）：1567-1585.

YANG K，NIU M C，TIAN J L，et al. Study on maraging stainless steel for new generation aircraft landing gear［J］. Acta Metallurgica Sinica，2018，54（11）：1567-1585.

孙振华，姜越，乔民. 浅析马氏体时效不锈钢的发展及热处理方式对组织性能的影响［J］. 黑龙江科技信息，2013（28）：59.

SUN Z H，JIANG Y，QIAO M. Analysis of the development of maraging stainless steel and the effect of heat treatment on microstructure and properties［J］. Heilongjiang Science and Technology Information，2013（28）：59.

刘振宝，梁剑雄，苏杰，等. 高强度不锈钢的研究及发展现状［J］. 金属学报，2020，56（04）：549-557.

LIU Z B，LIANG J X，SU J，et al. Research and development status of high strength stainless steel［J］. Acta Metallurgica Sinica，2020，56（04）：549-557.

杨志勇，刘振宝，梁剑雄，等. 马氏体时效不锈钢的发展［J］. 材料热处理学报，2008（04）：1-7.

YANG Z Y，LIU Z B，LIANG J X，et al. Development of maraging stainless steel［J］. Transactions of Materials and Heat Treatment，2008（04）：1-7.

Miranda G，Faria S，Bartolomeu F，et al. The Influence of Laser Power and Scan Speed on the Dimensional Accuracy of Ti6Al4V Thin-Walled Parts Manufactured by Selective Laser Melting［J］. Metals，2022，12（7）：1226.

Liu B Q，Fang G，Lei L P. An analytical model for rapid predicting molten pool geometry of selective laser melting （SLM）［J］.Applied Mathematical Modelling，2021，92：505-524.

林鑫，黄卫东. 应用于航空领域的金属高性能增材制造技术［J］. 中国材料进展，2015，34（09）：684-688.

LIN X，HUANG W D. High performance metal additive manufacturing technology for aviation applications［J］. Materials China，2015，34（09）：684-688.

Gao W，Zhang Y B，Ramanujan D，et al. The status， challenges，and future of additive manufacturing in engineering［J］.Computer-Aided Design，2015，69：65-89.

胡捷，廖文俊，丁柳柳，等. 金属材料在增材制造技术中的研究进展［J］. 材料导报，2014，28（S2）：459-462.

HU J，LIAO W J，DING L L，et al. Research progress of metal materials in additive manufacturing technology［J］. Materials Reports，2014，28（S2）：459-462.

Wen S F，Ji X T，Zhou Y，et al. Corrosion Behavior of the S136 Mold Steel Fabricated by Selective Laser Melting［J］. Chinese Journal of Mechanical Engineering，2018，31（06）：68-78.

董世运，闫世兴，冯祥奕，等. 激光增材制造钢粉体材料研究现状［J］. 激光与光电子学进展，2018，55（01）：76-87.

DONG S Y，YAN S X，FENG X Y，et al. Research Status of Laser Additive Manufacturing Steel Powder Materials［J］. Laser & Optoelectronics Progress，2018，55（01）：76-87.

Zhang J，Wang M，Niu L，et al. Effect of Process Parameters and Heat Treatment on the Properties of Stainless Steel CX Fabricated by Selective Laser Melting［J］. Journal of Alloys and Compounds，2021，877：160062.

张亮亮，王敏杰，张佳琪，等. 离焦量对激光选区熔化CX马氏体时效不锈钢成形性能研究［J］. 中国激光，2021，48（22）：193-207.

ZHANG L L，WANG M J，ZHANG J Q，et al. Effect of defocusing amount on formability of laser selective melting CX maraging stainless steel［J］. Chinese Journal of Lasers，2021，48（22）：193-207.

Asgari H，Mohammadi M. Microstructure and Mechanical Properties of Stainless Steel CX Manufactured by Direct Metal Laser Sintering［J］. Materials Science and Engineering： A，2018，709：82-89.

Yan X，Chen C，Chang C， et al. Study of the Microstructure and Mechanical Performance of C-X Stainless Steel Processed by Selective Laser Melting （SLM）［J］. Materials Science and Engineering： A，2020，781：139227.

Chang C，Yan X，Bolot R，et al. Influence of Post-Heat Treatments on the Mechanical Properties of CX Stainless Steel Fabricated by Selective Laser Melting［J］.Journal of Materials Science，2020，55（19）：8303-8316.

文章被引用时，请邮件提醒。

提交

热处理对SLM制备钛合金散热结构组织性能的影响

等离子喷焊IN625合金显微组织和力学性能分析

热处理对高铬铸钢组织和性能的影响

SMA490BW耐候钢焊接与焊后热处理残余应力的数值模拟

活性剂对厚壁管TIG焊接的影响