连接温度对CaO-Al2O3-MgO-SiO2-TiO2玻璃钎料连接SiC陶瓷接头微观结构和性能的影响
Effect of Joining Temperature on Microstructure and Properties of SiC Ceramic Joints with CaO-Al2O3-MgO-SiO2-TiO2 Glass Solder
摘 要
采用新型玻璃钎料CaO-Al2O3-MgO-SiO2-TiO2（CAMST）连接无压烧结SiC陶瓷，研究了连接温度（1 300~1 450℃）对SiC陶瓷接头微观结构和力学性能的影响。结果表明：CAMST玻璃钎料在1 350~1 450℃下可实现SiC陶瓷的有效连接。当连接温度为1 350℃时，焊缝厚度约为36 μm，母材与焊缝界面存在较多孔洞，接头剪切强度为（21.4±2.7） MPa；当连接温度为1 400℃时，焊缝厚度为3 μm，母材与焊缝结合良好，接头剪切强度为（47.6±6.2） MPa；当连接温度升高至1 450℃时，焊缝厚度约为50 μm，母材与焊缝结合良好，但焊缝中存在裂纹缺陷，接头剪切强度为（20.9±3.9） MPa。连接温度对焊缝硬度无明显影响。
玻璃钎料
连接温度
剪切强度
微观结构
硬度
SiC ceramic
glass solder
joining temperature
shear strength
microstructure
hardness
Abstract
Pressureless sintered SiC ceramics were joined with a noval glass solder of CaO-Al2O3-MgO-SiO2-TiO2 (CAMST). The effect of joining temperature (1 300-1 450℃) on the microstructure and mechanical properties of SiC ceramic joints was investigated. The results show that CAMST glass solder could effectively connect SiC ceramics at 1 350-1 450℃. The thickness of the weld was about 36 μm when the joining temperature was 1 350℃, and large pores were observed in the interlayer between base metal and weld; the shear strength of the joint was (21.4±2.7) MPa. When the joining temperature was 1 400℃, the thickness of the weld was about 3 μm, and the base metal was well bonded with weld; the shear strength of the joint was (47.6±6.2) MPa. When the joining temperature was 1 450℃, the thickness of the weld was about 50 μm; the base metal was well bonded with weld, but there were crack defects in the weld; the shear strength of the joint was (20.9±3.9) MPa. The joining temperature had no significant effect on the hardness of the weld.
中图分类号 TB321 TB35 TB383 DOI 10.11973/jxgccl202309009
所属栏目 材料性能及应用
基金项目 广东省自然科学基金面上资助项目（2022A1515010735）；中国博士后科学基金面上资助项目（2021M703024）
收稿日期 2022/9/2
修改稿日期 2023/8/2
网络出版日期
作者单位点击查看
备注吴利翔(1991-),男,江西吉安人,工程师,博士
引用该论文: WU Lixiang,LONG Jun,XUE Jiaxiang,REN Qisen,LIAO Yehong,ZHAI Jianhan,LIU Yang,ZHAN Chuangtian,GUO Weiming,LIN Huatay. Effect of Joining Temperature on Microstructure and Properties of SiC Ceramic Joints with CaO-Al2O3-MgO-SiO2-TiO2 Glass Solder[J]. Materials for mechancial engineering, 2023, 47(9): 52～56
吴利翔,龙军,薛佳祥,任啟森,廖业宏,翟剑晗,刘洋,詹创添,郭伟明,林华泰. 连接温度对CaO-Al2O3-MgO-SiO2-TiO2玻璃钎料连接SiC陶瓷接头微观结构和性能的影响[J]. 机械工程材料, 2023, 47(9): 52～56
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参考文献
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【2】KOYANAGI T, KATOH Y, HINOKI T, et al.Progress in development of SiC-based joints resistant to neutron irradiation[J].Journal of the European Ceramic Society, 2020, 40(4):1023-1034.
【3】JEONG D H, SEPTIADI A, FITRIANI P, et al.Joining of SiCf/SiC using polycarbosilane and polysilazane preceramic mixtures[J].Ceramics International, 2018, 44(9):10443-10450.
【4】LEWINSOHN C A, JONES R H, COLOMBO P, et al.Silicon carbide-based materials for joining silicon carbide composites for fusion energy applications[J].Journal of Nuclear Materials, 2002, 307/308/309/310/311:1232-1236.
【5】ZHOU B F, WANG J F, FENG K Q, et al.Effect of brazing parameters on the microstructure and properties of SiC ceramic joint with Zr-Cu filler metal[J].Crystals, 2020, 10(2):93.
【6】WU L X, ZHU L L, GUO W M, et al.Effects of the joining process on the microstructure and properties of liquid-phase-sintered SiC-SiC joints formed with Ti foil[J].Journal of the European Ceramic Society, 2021, 41(1):225-232.
【7】LI H X, SHEN W J, HE Y M, et al.Microstructural evolution and characterization of interfacial phases in diffusion-bonded SiC/Ta-5W/SiC joints[J].Ceramics International, 2020, 46(14):22650-22660.
【8】KATOH Y, SNEAD L L, CHENG T, et al.Radiation-tolerant joining technologies for silicon carbide ceramics and composites[J].Journal of Nuclear Materials, 2014, 448(1/2/3):497-511.
【9】NIU W B, XUE J X, WU L X, et al.Low-temperature joining of SiC ceramics using NITE phase with Al2O3-Ho2O3 additive[J].Journal of the American Ceramic Society, 2020, 103(2):731-736.
【10】FITRIANI P, SEPTIADI A, HYUK J D, et al.Joining of SiC monoliths using a thin MAX phase tape and the elimination of joining layer by solid-state diffusion[J].Journal of the European Ceramic Society, 2018, 38(10):3433-3440.
【11】ZHOU X, HAN Y H, SHEN X, et al. Fast joining SiC ceramics with Ti3SiC2 tape film by electric field-assisted sintering technology[J]. Journal of Nuclear Materials, 2015, 466:322-327.
【12】WAN P, LI M A, XU K, et al.Seamless joining of silicon carbide ceramics through an sacrificial interlayer of Dy3Si2C2[J].Journal of the European Ceramic Society, 2019, 39(16):5457-5462.
【13】KATOH Y, KOTANI M, KOHYAMA A, et al.Microstructure and mechanical properties of low-activation glass-ceramic joining and coating for SiC/SiC composites[J].Journal of Nuclear Materials, 2000, 283/284/285/286/287:1262-1266.
【14】SUN Z, CHEN X, MAO Y, et al.Joining of SiC ceramics using CaO-Al2O3-SiO2 (CAS) glass ceramics[J].Journal of the European Ceramic Society, 2020, 40(2):267-275.
【15】DENG J L, ZHENG B H, HU K Y, et al.Microstructure and mechanical properties of SiCf/SiC joints brazed using CaO-MgO-Al2O3-SiO2 glass[J].Ceramics International, 2019, 45(7):8890-8898.
【16】MALIK R, RYU E H, KIM Y W.Pressureless joining of SiC ceramics with magnesia-alumina-silica glass ceramics[J].International Journal of Applied Ceramic Technology, 2022, 19(2):992-1000.
【17】ZHENG W H, CAO H, ZHONG J B, et al.CaO-MgO-Al2O3-SiO2 glass-ceramics from lithium porcelain clay tailings for new building materials[J].Journal of Non-Crystalline Solids, 2015, 409:27-33.
【18】WANG L, FAN S W, SUN H D, et al.Pressure-less joining of SiCf/SiC composites by Y2O3-Al2O3-SiO2 glass:Microstructure and properties[J].Ceramics International, 2020, 46(17):27046-27056.
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