CH化合物和Ni60A对激光快速成形试件组织与力学性能的影响
Influence of CH compound and Ni60A on microstructure and mechanical properties of 304 stainless steel specimens by laser rapid forming
-
摘要: 采用5 kW横流CO2激光器在Q235基材上快速成形三种不同成分的304不锈钢粉末,分别为标准304不锈钢粉末,添加CH化合物的304不锈钢粉末,添加CH化合物以及Ni60A的304不锈钢粉末,通过试验方法观察三种不同成分的304不锈钢激光快速成形试件的的显微组织,研究其综合力学性能. 结果表明,在304不锈钢粉末内添加CH化合物能显著提高激光快速成型试件的显微硬度,抗拉强度和断后伸长率,显微组织得到细化;而同时添加CH化合物及Ni60A的试件的抗拉强度及显微硬度得到更大的提高,但断后伸长率却有一定程度的降低.Abstract: This paper aimed to investigate the comprehensive mechanical properties of the specimen formed by 5 kw CO2 laser rapid forming with three types of 304 stainless steel powders on Q235 substrate, namely, one standard 304 stainless steel powder, one kind of 304 stainless steel powder with CH compound, one kind of 304 stainless steel powder with the addition of CH compound and Ni60A. The results showed that the CH addition can significantly enhance the microhardness, tensile strength and elongation of the specimens and the microstructure was refined. Besides, with the addition of CH compound and Ni60A in the 304 stainless steel powder, the tensile strength and microhardness of the specimens was increased gradually while its elongation was decreased.
-
Keywords:
- laser rapid forming /
- microhardness /
- tensile strength /
- elongation /
- microstructure
-
-
[1] 王雅先, 尉富恩, 王科峰. 激光快速成型技术的应用[J]. 轻工机械, 2006, 24(4): 143-145. Wang Yaxian, Wei Fuen, Wang Kefeng. Application of laser rapid prototyping technology[J]. Light Industry Machinery, 2006, 24(4): 143-145. [2] 尚晓峰, 韩冬雪, 于福鑫. 金属粉末激光快速成形技术及发展现状[J]. 机电产品开发与创新, 2010, 23(5): 14-16. Shang Xiaofeng, Han Dongxue, Yu Fuxin. Metal powder laser shaping technology and development status[J]. Development & Innovation of Machinery& Electrical Products, 2010, 23(5): 14-16. [3] 肖强伟, 余 欢, 徐志峰. 选择性激光烧结技术的发展概况及展望[J]. 国外金属加工, 2005, 26(2): 8-12. Xiao Qiangwei, Yu Huan, Xu Zhifeng. Development Overview and Prospect of Selective Laser Sintering[J]. Sournal of International Metal Working, 2005, 26(2): 8-12. [4] 肖荣诗, 陈 铠, 陈 涛. 激光制造技术的现状及发展趋势[J]. 电加工与模具, 2009, S1: 18-22. Xiao Rongshi, Chen Kai, Chen Tao. Review of laser advanced manufacturing technology[J]. Electromachining & Mould, 2009, S1: 18-22. [5] 成细洋, 邱长军, 皮政清, 等. 激光熔覆再制造对试件拉伸性能影响的试验研究[J]. 现代机械, 2011(6): 10-11,14. Cheng Xiyang, Qiu Changjun, Pi Zhengqing, et al. Experimental study on the influence of laser cladding remanufacturing on the tensile properities of samples[J]. Modern Machinery, 2011(6): 10-11, 14. [6] 陈光霞. SLM激光快速成型金属零件的组织及力学性能分析[J]. 机械, 2010, 37(5): 63-66. Chen Guangxia. Microstructure and mechanical property analysis of the metal parts by SLM[J]. Machinery, 2010, 37(5): 63-66. [7] Zhao X M, Gong S L, Lin X, et al. Mechanical properties and microstructure characteristics of laser rapid forming rene88DT superalloy[J]. Rare Metal Materials and Engineering, 2011(40): 278-28. [8] 余金水. 高频微锻造对激光成形成形304不诱钢试件力学性能的影响[D]. 南华大学, 2012. [9] Xue Lei, Chen Jing, Lin Xin, et al. Microstructure and high temperature mechanical properties of laser rapidly formed Ti-6A1-4V alloy[J]. Transactions of Nonferrous Metals Society of China, 2006(16): 2062-2065. [10] 余 俊. 粉末冶金316L不锈钢的制备及性能研究[D]. 南京航空航天大学, 硕士学位论文, 2012. [11] 杨 健, 黄卫东, 陈 静, 等. TC4钛合金激光快速成形力学性能[J]. 航空制造技术, 2007(5): 73-75. Huang Jian, Huang Weidong, Chen Jing, et al. Mechanical property of Ti Alloy TC4 laser rapid forming[J]. Aeronautical Manufacturing Technology, 2007(5): 73-75. -
期刊类型引用(6)
1. 孙壮，王伟，王成，丁士杰，高原，王快社. 钛合金表面激光熔覆耐磨和自润滑涂层的研究进展. 材料保护. 2023(01): 107-120 . 
百度学术
2. 谭金花，孙荣禄，牛伟，刘亚楠，郝文俊. TC4合金激光熔覆材料的研究现状. 材料导报. 2020(15): 15132-15137 . 百度学术
3. 孟祥军，屠小斌，许宏良，王勉，刘秀波，刘海青. 激光功率对Cr_7C_3-Fe_2C/MS_2镍基多元涂层组织与性能的影响. 材料热处理学报. 2020(10): 103-110 . 百度学术
4. 杨光，周佳平，钦兰云，王维. 分区扫描对激光沉积修复钛合金热力耦合场的影响. 焊接学报. 2017(05): 63-68+131-132 . 本站查看
5. 黄勇，孙文磊，周超军，黄海博. 基于激光熔覆的再制造零件可视化损伤修复区域规划. 焊接学报. 2017(11): 51-56+131 . 本站查看
6. 王恩庭，李崇桂，黄茜，潘斌，黄旺华. 钛合金表面激光熔覆研究进展. 热加工工艺. 2016(20): 27-30 . 百度学术
其他类型引用(2)
计量
- 文章访问数: 227
- HTML全文浏览量: 3
- PDF下载量: 82
- 被引次数: 8
下载:
