Effect of Hot Isostatic Pressing Temperature on Microcrack, Microstructure and Mechanical Properties of GH3536 Nickel-based Superalloy Fabricated by Selective Laser Melting

doi:10.3901/JME.2023.04.025

Abstract

Abstract: The GH3536 nickel-based superalloy was fabricated by selective laser melting(SLM), and the effects of hot isostatic pressing(HIP) temperatures on the cracks and microstructure properties of GH3536 were studied. Characterizations of phase composition and microstructure evolution of GH3536 were conducted by XRD, SEM, EBSD and EPAM et al. Besides, the high-temperature endurance testing machine was used to test the alloy’s room temperature and high-temperature tensile properties. The results indicated that the phase composition of GH3536 alloy formed by SLM remains unchanged after HIP, both consisting of ^γ phase. But the lattice constant decreased, and decreased with the increase of HIP temperature. Micro-cracks could be observed in the matrix after SLM process, which mainly existed at the boundary of the molten pool, and the length was measured ranging from 10 to 100 µm. After HIP, the microcracks were completely eliminated, but there still existed some holes. After GH3536 alloy underwent high temperature and pressure treatment, the grain size increased, resulting in a decrease in tensile strength. Among them, the room temperature tensile strength and elongation of the SLM specimen are 871 MPa and 26.2%, respectively. After HIP treatment, the elongation is increased by 13.7% and the strength is reduced by 13.0%. The tensile strength and elongation of the SLM specimen at 900 ℃ are 247 MPa and 5.7%, respectively. After HIP treatment, the elongation is increased by 13.4% and the strength is reduced by 10.1%.

Key words: selective laser melting, GH3536, hot isostatic pressing, microstructure, tensile properties

CLC Number:

TG166
V252

XIE Yin, TENG Qing, SUN Shanshan, CHENG Tan, BAI Jie, MA Rui, CAI Chao, WEI Qingsong. Effect of Hot Isostatic Pressing Temperature on Microcrack, Microstructure and Mechanical Properties of GH3536 Nickel-based Superalloy Fabricated by Selective Laser Melting[J]. Journal of Mechanical Engineering, 2023, 59(4): 25-33.

References

[1] 顾冬冬,张红梅,陈洪宇,等. 航空航天高性能金属材料构件激光增材制造[J]. 中国激光,2020,47(5):32-55. GU Dongdong,ZHANG Hongmei,CHEN Hongyu,et al. Laser additive manufacturing of high-performance metallic aerospace components[J]. Chinese Journal of Lasers,2020,47(5):32-55.
[2] 王辉,周明星,吴宝海,等. 航空发动机先进材料高性能零部件制造技术进展[J]. 航空制造技术,2015(22):47-51. WANG Hui,ZHOU Mingxing,WU Baohai,et al. Recent advances on manufacturing technologies of aeroengine[J]. Aeronautical Manufacturing Technology,2015(22):47-51.
[3] 张鹏,朱强,秦鹤勇,等. 航空发动机用耐高温材料的研究进展[J]. 材料导报,2014,28(11):27-31,37. ZHANG Peng,ZHU Qiang,QING Heyong,et al. Research progress of high temperature materials for aero-engines[J]. Materials Reports,2014,28(11):27-31,37.
[4] 许鹤君,李勇,祁海,等. 热等静压工艺对选区激光熔化成形Hastelloy X合金持久性能的影响[J]. 机械工程材料,2018,42(12):53-57. XU Hejun,LI Rong,QI Hai,et al. Effect of hot isostatic pressing process on stress-rupture property of Hastelloy X alloy by selective laser melting[J]. Materials for Mechanical Engineering,2018,42(12):53-57.
[5] LIU Hao,WANG Xinmei,LIU Dashun,et al. Influence of notch on creep properties of GH3536 nickel-based superalloy[J]. Rare Metal Materials and Engineering,2014,43(10):2473-2478.
[6] 丁文锋,苗情,李本凯,等. 面向航空发动机的镍基合金磨削技术研究进展[J]. 机械工程学报,2019,55(1):201-227. DING Wenfeng,MIAO Qing,LI Benkai,et al. Review on grinding technology of nickel-based superalloys used for aero-engine[J]. Journal of Mechanical Engineering,2019,55(1):201-227.
[7] 刘业胜,韩品连,胡寿丰,等. 金属材料激光增材制造技术及在航空发动机上的应用[J]. 航空制造技术,2014(10):62-67. LIU Yesheng,HAN Pinglian,HU Shoufeng,et al. Development of laser additive manufacturing with metallic materials and its application in aviation engines[J]. Aeronautical Manufacturing Technology,2014(10):62-67.
[8] GU Dongdong,MEINERS W,WISSENBACH K,et al. Laser additive manufacturing of metallic components:materials,processes and mechanisms[J]. International Materials Reviews,2012,57(3):133-164.
[9] DENG Dunyong,PENG Rulin,BRODIN H,et al. Microstructure and mechanical properties of Inconel 718 produced by selective laser melting:Sample orientation dependence and effects of post heat treatments[J]. Materials Science and Engineering:A,2018,713:294-306.
[10] TOMUS D,YANG Tian,ROMETSCH P,et al. Influence of post heat treatments on anisotropy of mechanical behaviour and microstructure of Hastelloy-X parts produced by selective laser melting[J]. Materials Science and Engineering:A,2016,667:42-53.
[11] ZHANG Bi,LI Yongtao,BAI Qian. Defect formation mechanisms in selective laser melting:A review[J]. Chinese Journal of Mechanical Engineering,2017,30(3):515-527.
[12] BERNARD W,韩凤麟. 近年来热等静压(HIP)处理与应用发展趋势[J]. 粉末冶金技术,2014,32(6):464-470. BERNARD W,HAN Fenglin. Recent trends in hot isostatic pressing (HIP):processing and applications[J]. Powder Metallurgy Technology,2014,32(6):464-470.
[13] TILLMANN W,SCHAAK C,NELLESEN J,et al. Hot isostatic pressing of IN718 components manufactured by selective laser melting[J]. Additive Manufacturing,2017,13:93-102.
[14] 张建庭,尧健,冯干江. 热等静压对激光选区熔化制备高温合金的影响[J]. 金属功能材料,2020,27(4):16-21. ZHANG Jianting,YAO Jian,FENG Ganjiang. Effert of hot isostatic pressing on preparation of superalloy by selective laser melting[J]. Metallic Functional Materials,2020,27(4):16-21.
[15] 刘凯,王荣,祁海,等. 热等静压工艺对SLM成形K4536合金组织与性能的影响[J]. 航空材料学报,2018,38(3):46-51. LIU Kai,WANG Rong,QI Hai,et al. Effect of HIP on microstructure and mechanical properties of K4536 alloy manufactured by SLM[J]. Journal of Aeronautical Materials,2018,38(3):46-51.
[16] 石磊,雷力明,王威,等. 热等静压/热处理工艺对激光选区熔化成形GH4169合金微观组织与拉伸性能的影响[J]. 材料工程,2020,48(6):148-155. SHI Lei,LEI Liming,WANG Wei,et al. Effects of hot isostatic pressing and heat treatment process on microstructure and tensile properties of selective laser melting manufactured GH4169 alloy[J]. Journal of Materials Engineering,2020,48(6):148-155.
[17] 于广娜,宋玺玉,曹一超,等. 重复固溶处理对GH536合金板材组织和性能的影响[J]. 金属热处理,2017,42(11):138-141. YU Guangna,SONG Xiyu,CAO Yichao,et al. Effect of repeat solution treatment on microstructure and properties of GH536 alloy plates[J]. Heat Treatment of Metals,2017,42(11):138-141.
[18] 谢君,田素贵,周晓明. 热等静压温度对FGH95合金组织及点阵常数的影响[J]. 材料热处理学,2011,32(11):59-63. XIE Jun,TIAN Sugui,ZHOU Xiaoming. Effects of HIP temperature on microstructure and lattice constant of FGH95 superalloy[J]. Transactions of Materials and Heat Treatment,2011,32(11):59-63.
[19] 赵宗彦. X射线与物质结构[M]. 合肥:安徽大学出版社,2004. ZHAO Zongyan. X-rays and the structure of matter[M]. Hefei:Anhui University Press,2004.
[20] MA Wenbin,LIU Guoquan,HU Benfu,et al. Effect of Hf on carbides of FGH4096 superalloy produced by hot isostatic pressing[J]. Materials Science and Engineering:A,2013,587:313-319.
[21] 王迪,钱泽宇,窦文豪,等. 激光选区熔化成形高温镍基合金研究进展[J]. 增材制造技术,2018,61(10):49-60,67. WANG Di,QIAN Zeyu,DOU Wenhao,et al. Research progress on selective laser melting of nickel based superalloy[J]. Additive Manufacturing Technology,2018,61(10):49-60,67.
[22] 王伟,李强,杨维才,等. 镍基铸造高温合金的热等静压改性研究[J]. 金属热处理,2014,39(1):85-88. WANG Wei,LI Qiang,YANG Weicai,et al. Modification of cast nickel-base superalloy by hot isostatic pressing[J]. Heat Treatment of Metals,2014,39(1):85-88.
[23] WEN Shifeng,LI Shuai,WEI Qingsong,et al. Effect of molten pool boundaries on the mechanical properties of selective laser melting parts[J]. Journal of Materials Processing Technology,2014,214(11):2660-2667.
[24] MONTERO S,POURBABAK S,VAN H,et al. Microstructure and mechanical properties of Hastelloy X produced by HP-SLM (high power selective laser melting)[J]. Materials & Design,2019,165:107589.
[25] 孙闪闪,滕庆,魏青松,等. 热处理对激光选区熔化GH3536合金组织演变规律的影响研究[J]. 机械工程学报,2020,56(21):208-218. SUN Shanshan,TENG Qing,WEI Qingsong,et al. Influence of heat treatment on microstructure evolution of GH3536 superalloy fabricated by selective laser melting[J]. Journal of Mechanical Engineering,2020,56(21):208-218.
[26] HEO N,CHANG J,KIM S. Elevated temperature intergranular cracking in heat-resistant steels[J]. Materials Science & Engineering A,2013,559:665-677.