热解碳-SiC共沉积界面SiCf/SiC Mini复合材料的制备及其拉伸行为
Preparation and Tensile Behavior of Mini SiCf/SiC Composites with PyC-SiC Codeposition Interface
摘 要
以国产第三代碳化硅纤维（SiCf）为增强体，通过化学气相渗透（CVI）工艺在SiCf表面同时沉积热解碳（PyC）和SiC形成共沉积界面层，沉积时间为20~70 min，然后继续沉积SiC制备出致密的Mini SiCf/SiC复合材料，研究复合材料的界面结构和拉伸行为。结果表明：20，40，70 min沉积时间下得到共沉积界面层的平均厚度分别为500，1 100，2 100 nm，界面层厚度均匀，为单层界面；当共沉积界面层厚度为1 100 nm时，Mini复合材料的界面结合强度适中，拉伸强度最大，达到626.0 MPa，对应的断裂应变为0.45%。
PyC-SiC共沉积界面
Mini复合材料
拉伸行为
chemical vapor infiltration
PyC-SiC codeposition interface
Mini composite
tensile behavior
Abstract
With third-generation domestic silicon carbide fiber (SiCf) as reinforcement, pyrocarbon (PyC) and SiC codeposition interface layer were simultaneously deposited on the surface of SiCf by chemical vapor infiltration (CVI) with deposition time of 20-70 min. Then SiC was deposited continueously and dense Mini SiCf/SiC composites were prepared. The interface structure and teasile behavier of the composites were studied. The results show that the average thicknesses of the codeposition interface layer were 500, 1 100, 2 100 nm after deposition for 20, 40, 70 min, respectively, and the thickness of the interface layer was uniform; the interface layer was a single layer structure. When the thickness of the codeposition interface layer was 1 100 nm, the Mini composite had moderate interface bonding strength and the largest tensile strength of 626.0 MPa, and the corresponding fracture strain was 0.45%.
中图分类号 TB332 DOI 10.11973/jxgccl202109007
所属栏目 新材料 新工艺
基金项目 国防科工局核能开发项目；中核集团重点专项项目
收稿日期 2020/9/2
修改稿日期 2021/7/29
网络出版日期
作者单位点击查看
备注刘桂良(1982-),男,重庆人,副研究员,硕士
引用该论文: LIU Guiliang,HE Zongbei,LIN Haoran,ZHANG Ruiqian,CHEN Zhaoke,WANG Jiping. Preparation and Tensile Behavior of Mini SiCf/SiC Composites with PyC-SiC Codeposition Interface[J]. Materials for mechancial engineering, 2021, 45(9): 35～39
刘桂良,何宗倍,蔺浩然,张瑞谦,陈招科,王继平. 热解碳-SiC共沉积界面SiCf/SiC Mini复合材料的制备及其拉伸行为[J]. 机械工程材料, 2021, 45(9): 35～39
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【2】NASLAIN R.Design, preparation and properties of non-oxide CMCs for application in engines and nuclear reactors:An overview[J].Composites Science and Technology, 2004, 64(2):155-170.
【3】王洋, 贺丽娟, 刘圆圆, 等.SiC/SiC复合材料制备技术研究进展[J].飞航导弹, 2019(6):92-97. WANG Y, HE L J, LIU Y Y, et al.Research progress in preparation technology of SiC/SiC composites[J].Aerodynamic Missile Journal, 2019(6):92-97.
【4】SOMMERS A, WANG Q, HAN X, et al.Ceramics and ceramic matrix composites for heat exchangers in advanced thermal systems-A review[J].Applied Thermal Engineering, 2010, 30(11/12):1277-1291.
【5】KIM W J, KIM D, PARK J Y.Fabrication and material issues for the application of SiC composites to LWR fuel cladding[J].Nuclear Engineering and Technology, 2013, 45(4):565-572.
【6】周新贵.SiC/SiC复合材料研究现状[J].功能材料信息, 2010, 7(5):21-25. ZHOU X G.Research status of SiC/SiC composite materials[J].FunctionalMaterialsInformation, 2010, 7(5):21-25.
【7】DROILLARD C, LAMON J.Fracture toughness of 2-D woven SiC/SiC CVI-composites with multilayered interphases[J].Journal of the American Ceramic Society, 1996, 79(4):849-858.
【8】REBILLAT F, LAMON J, NASLAIN R, et al.Interfacial bond strength in SiC/C/SiC composite materials, as studied by single-fiber push-out tests[J].Journal of the American Ceramic Society, 1998, 81(4):965-978.
【9】REBILLAT F, LAMON J, NASLAIN R, et al.Properties of multilayered interphases in SiC/SiC chemical-vapor-infiltrated composites with "weak" and "strong" interfaces[J].Journal of the American Ceramic Society, 1998, 81(9):2315-2326.
【10】RAPAUD O, JACQUES S, DI-MURRO H, et al.SiC/SiC minicomposites with (PyC/TiC)<i>n interphases processed by pressure-pulsed reactive CVI[J].Journal of Materials Science, 2004, 39(1):173-180.
【11】肖鹏, 熊翔, 张红波, 等.C/C-SiC陶瓷制动材料的研究现状与应用[J].中国有色金属学报, 2005, 15(5):667-674. XIAO P, XIONG X, ZHANG H B, et al.Progress and application of C/C-SiC ceramic braking materials[J].The Chinese Journal of Nonferrous Metals, 2005, 15(5):667-674.
【12】孟志新, 成来飞, 刘善华, 等.PyC层对SiC纤维束及Mini SiC/SiC复合材料拉伸性能和强度分布的影响[J].材料导报, 2011, 25(16):5-7. MENG Z X, CHENG L F, LIU S H, et al.Effect of PyC layer on tensile properties and strength distribution of SiC fiber bundles and mini SiC/SiC composites[J].Materials Review, 2011, 25(16):5-7.
【13】CHATEAU C, GÉLÉBART L, BORNERT M, et al.In situ X-ray microtomography characterization of damage in SiCf/SiC minicomposites[J].Composites Science and Technology, 2011, 71(6):916-924.
【14】王玲玲, 白杨, 闫联生, 等.CVD-SiC涂层对C/C-SiC抗氧化性能及弯曲强度的影响[J].炭素技术, 2016, 35(5):42-46. WANG L L, BAI Y, YAN L S, et al. Effcet of CVD-SiC coatings on oxidation resistance performance and residual strength of C/C-SiC composites[J]. Carbon Techniques, 2016, 35(5):42-46.
【15】ALMANSOUR A, MAILLET E, RAMASAMY S, et al.Effect of fiber content on single tow SiC minicomposite mechanical and damage properties using acoustic emission[J].Journal of the European Ceramic Society, 2015, 35(13):3389-3399.
【16】SAUDER C, BRUSSON A, LAMON J.Influence of interface characteristics on the mechanical properties of hi-nicalon type-S or tyranno-SA3 fiber-reinforced SiC/SiC minicomposites[J].International Journal of Applied Ceramic Technology, 2010, 7(3):291-303.
【17】孟耀. 化学气相沉积与无机新材料[M].北京:科学出版社, 1984:1-140. MENG Y. Chemical vapor deposition and new inorganic materials[M].Beijing:Science Press, 1984:1-140.
【18】李明军. 中低温用C/C复合材料防氧化涂层制备及研究[D]. 陕西:西北工业大学, 1996. LI M J. Preparation and research of C/C composite anti-oxidation coating for medium and low temperature[D]. Shaanxi:Northwestern Polytechnical University, 1996.
【19】郭世峰.减压CVI制备C/SiC复合材料的基体和界面涂层[D].西安:西北工业大学, 1998. GUO S F.Preparation of matrix and interface coatings of C/SiC composites by reduced pressure CVI[D].Xi'an:Northwestern Polytechnical University, 1998.
【20】杨成鹏, 矫桂琼.界面对纤维增强陶瓷基复合材料拉伸性能的影响[J].复合材料学报, 2010, 27(3):116-121. YANG C P, JIAO G Q.Effects of interface on tensile properties of fiber reinforced ceramic matrix composites[J].Acta Materiae Compositae Sinica, 2010, 27(3):116-121.
【21】宋麦丽, 闫闻生, 邹武, 等. 界面层厚度对C/SiC材料强度的影响[C]//世纪之交复合材料的现状与发展.长沙:湖南科学技术出版社, 1998:385-389. SONG M L, YAN W S, ZOU W, et al.The influence of interfacial thickness on the strength of C/SiC composite materials[C]//Present Situation and Development of Composites at the Turn of the Century. Hunan:Hunan Science and Technology Press, 1998:385-389.
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