碳纤维增强碳基复合材料抗氧化涂层的微米压痕力学性能表征
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摘要
为测试得到抗氧化涂层的本征力学性能,利用微米压痕技术研究了涂层的力学行为。通过低压化学气相沉积工艺在碳纤维增强碳基复合材料表面制备得到了碳化铪/碳化硅(HfC/SiC)抗氧化涂层,利用微米压痕技术在HfC/SiC抗氧化涂层表面开展了一系列不同最大压入载荷的压痕试验,提取得到了压痕载荷位移曲线。并根据Oliver-Pharr方法分析得到了试样材料的弹性模量。研究发现,试样材料弹性模量的数值和离散程度均随最大压入载荷的增大而逐渐减小。综合考虑基底效应和表面粗糙度的影响,确定最大压入载荷为5N时,对应的模量为HfC/SiC抗氧化涂层的本征模量,数值为(29.67±4.72)GPa。微米压痕技术相较于纳米压痕技术,与涂层材料的作用区域更大,可覆盖涂层表面更多的微结构,可以更加真实地表征涂层的整体力学性能,而非微结构的局部性能。
In order to obtain the intrinsic mechanical properties of anti-oxidation coatings,the mechanical behavior of the coatings were studied by micro-indentation technology.HfC/SiC coatings were prepared on C/C composites by low pressure chemical vapor deposition process.A series of micro-indentation tests with different maximum indentation load were conducted on the surface of the coatings.Load-displacement curves were obtained,and elastic moduli were extracted according to the Oliver-Pharr method.It is found that the value and discreteness of elastic modulus decreased with the increase of the maximum indentation load.Considering the influence of substrate and roughness,the modulus was determined as the intrinsic modulus of HfC/SiC coatings when the maximum indentation load was 5 N.The value was(29.67±4.72)GPa.Compared with nano-indentation tests,the micro-indentation test can cover more microstructures,and the results are more close to the whole mechanical property of anti-oxidation coatings.
In order to obtain the intrinsic mechanical properties of anti-oxidation coatings,the mechanical behavior of the coatings were studied by micro-indentation technology.HfC/SiC coatings were prepared on C/C composites by low pressure chemical vapor deposition process.A series of micro-indentation tests with different maximum indentation load were conducted on the surface of the coatings.Load-displacement curves were obtained,and elastic moduli were extracted according to the Oliver-Pharr method.It is found that the value and discreteness of elastic modulus decreased with the increase of the maximum indentation load.Considering the influence of substrate and roughness,the modulus was determined as the intrinsic modulus of HfC/SiC coatings when the maximum indentation load was 5 N.The value was(29.67±4.72)GPa.Compared with nano-indentation tests,the micro-indentation test can cover more microstructures,and the results are more close to the whole mechanical property of anti-oxidation coatings.
引文
[1]王浩伟,张大旭,陈明明.陶瓷基与碳/碳复合材料拉伸性能试验研究进展[J].硅酸盐通报,2015,34(7):1907-1914.WANG Haowei,ZHANG Daxu,CHEN Mingming.Review on tensile properties of ceramic matrix composites and carbon/carbon composites[J].Bulletin of the Chinese Ceramic Society,2015,34(7):1907-1914.(in Chinese)
[2]刘娜,杨庆生,黄祎丰.碳/碳复合材料表面烧蚀多尺度粗糙度模拟[J].中国科技论文,2014,9(2):224-229.LIU Na,YANG Qingsheng,HUANG Yifeng.Multiscale roughness modeling of surface ablation in carbon/carbon composite[J].China Sciencepaper,2014,9(2):224-229.(in Chinese)
[3]REN Jincui,ZHANG Yulei,HU Heng,et al.HfCnanowires to improve the toughness and oxidation resistance of Si-Mo-Cr/SiC coating for C/C composites[J].Ceramics International,2016,42(13):14518-14525.
[4]WANG Yongjie,LI Hejun,FU Qiangang,et al.SiC/HfC/SiC ablation resistant coating for carbon/carbon composites[J].Surface and Coatings Technology,2012,206(19/20):3883-3887.
[5]焦更生.碳/碳复合材料陶瓷涂层的研究现状及其氧化机理分析[J].渭南师范学院学报,2016,31(12):25-30.JIAO Gengsheng.Research status and oxidation mechanism analysis of anti-oxidation ceramic coatings for carbon/carbon composites[J].Journal of Weinan Normal University,2016,31(12):25-30.(in Chinese)
[6]韩敏娜,郭领军,李克智,等.碳纤维增强碳复合材料高温抗氧化硅基陶瓷涂层的研究进展[J].硅酸盐学报,2010,38(5):991-996.HAN Minna,GUO Lingjun,LI Kezhi,et al.Research progress on high temperature oxidation protective silicon-based ceramic coatings for carbon fiber reinforced carbon composites[J].Journal of the Chinese Ceramic Society,2010,38(5):991-996.(in Chinese)
[7]JIN Xiaochao,FAN Xueling,LU Chunsheng,et al.Advances in oxidation and ablation resistance of high and ultra-high temperature ceramics modified or coated carbon/carbon composites[J].Journal of the European Ceramic Society,2018,38(1):1-28.
[8]ZHANG Yulei,REN Jincui,TIAN Song,et al.SiCcoating toughened by HfC nanowires to protect C/Ccomposites against oxidation[J].Applied Surface Science,2014,311:208-213.
[9]CHU Yanhui,LI Hejun,FU Qiangang,et al.Oxidation-protective and mechanical properties of SiC nanowire-toughened Si-Mo-Cr composite coating for C/C composites[J].Corrosion Science,2012,58:315-320.
[10]周青,王飞,谢继阳,等.Cu/Ru金属纳米多层膜剪切带行为的研究[J].中国科技论文,2015,10(4):375-378.ZHOU Qing,WANG Fei,XIE Jiyang,et al.Investigation of shear banding behavior of nanoscale Cu/Ru metallic multilayer films[J].China Sciencepaper,2015,10(4):375-378.(in Chinese)
[11]崔妍,黄平,王飞.CuZr非晶的微结构和力学性能研究[J].中国科技论文,2015,10(4):443-446.CUI Yan,HUANG Ping,WANG Fei.Microstructure and mechanical property of CuZr amorphous[J].China Sciencepaper,2015,10(4):443-446.(in Chinese)
[12]HE Rujie,QU Zhaoliang,PEI Yongmao,et al.High temperature indentation tests of YSZ coatings in air up to 1 200℃[J].Materials Letters,2017,209:5-7.
[13]闫五柱,温世峰,刘军,等.压痕法确定热障涂层蠕变参数[J].稀有金属材料与工程,2010,39(10):1829-1833.YAN Wuzhu,WEN Shifeng,LIU Jun et al.Determination of creep parameters of the thermal barrier coatings using an impression creep test[J].Rare Metal Materials and Engineering,2010,39(10):1829-1833.(in Chinese)
[14]张泰华.微/纳米力学测试技术:仪器化压入的测量、分析、应用及其标准化[M].北京:科学出版社,2013:1-372.ZHANG Taihua.Micro/nano-mechanical testing technology:measurement,analysis,application and standardization of instrumented indentation[M].Beijing:Science Press,2013:1-372.(in Chinese)
[15]戎俊梅,柴国钟,郝伟娜.基于纳米压痕技术及有限元模拟的薄膜力学性能研究[J].浙江工业大学学报,2011,39(6):674-678.RONG Junmei,CHAI Guozhong,HAO Weina.Research on mechanical properties of film based on nanoindentation technology and finite element simulation[J].Journal of Zhejiang University of Technology,2011,39(6):674-678.(in Chinese)
[16]OLIVER W C,PHARR G M.An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments[J].Journal of Materials Research,1992,7(6):1564-1583.
[2]刘娜,杨庆生,黄祎丰.碳/碳复合材料表面烧蚀多尺度粗糙度模拟[J].中国科技论文,2014,9(2):224-229.LIU Na,YANG Qingsheng,HUANG Yifeng.Multiscale roughness modeling of surface ablation in carbon/carbon composite[J].China Sciencepaper,2014,9(2):224-229.(in Chinese)
[3]REN Jincui,ZHANG Yulei,HU Heng,et al.HfCnanowires to improve the toughness and oxidation resistance of Si-Mo-Cr/SiC coating for C/C composites[J].Ceramics International,2016,42(13):14518-14525.
[4]WANG Yongjie,LI Hejun,FU Qiangang,et al.SiC/HfC/SiC ablation resistant coating for carbon/carbon composites[J].Surface and Coatings Technology,2012,206(19/20):3883-3887.
[5]焦更生.碳/碳复合材料陶瓷涂层的研究现状及其氧化机理分析[J].渭南师范学院学报,2016,31(12):25-30.JIAO Gengsheng.Research status and oxidation mechanism analysis of anti-oxidation ceramic coatings for carbon/carbon composites[J].Journal of Weinan Normal University,2016,31(12):25-30.(in Chinese)
[6]韩敏娜,郭领军,李克智,等.碳纤维增强碳复合材料高温抗氧化硅基陶瓷涂层的研究进展[J].硅酸盐学报,2010,38(5):991-996.HAN Minna,GUO Lingjun,LI Kezhi,et al.Research progress on high temperature oxidation protective silicon-based ceramic coatings for carbon fiber reinforced carbon composites[J].Journal of the Chinese Ceramic Society,2010,38(5):991-996.(in Chinese)
[7]JIN Xiaochao,FAN Xueling,LU Chunsheng,et al.Advances in oxidation and ablation resistance of high and ultra-high temperature ceramics modified or coated carbon/carbon composites[J].Journal of the European Ceramic Society,2018,38(1):1-28.
[8]ZHANG Yulei,REN Jincui,TIAN Song,et al.SiCcoating toughened by HfC nanowires to protect C/Ccomposites against oxidation[J].Applied Surface Science,2014,311:208-213.
[9]CHU Yanhui,LI Hejun,FU Qiangang,et al.Oxidation-protective and mechanical properties of SiC nanowire-toughened Si-Mo-Cr composite coating for C/C composites[J].Corrosion Science,2012,58:315-320.
[10]周青,王飞,谢继阳,等.Cu/Ru金属纳米多层膜剪切带行为的研究[J].中国科技论文,2015,10(4):375-378.ZHOU Qing,WANG Fei,XIE Jiyang,et al.Investigation of shear banding behavior of nanoscale Cu/Ru metallic multilayer films[J].China Sciencepaper,2015,10(4):375-378.(in Chinese)
[11]崔妍,黄平,王飞.CuZr非晶的微结构和力学性能研究[J].中国科技论文,2015,10(4):443-446.CUI Yan,HUANG Ping,WANG Fei.Microstructure and mechanical property of CuZr amorphous[J].China Sciencepaper,2015,10(4):443-446.(in Chinese)
[12]HE Rujie,QU Zhaoliang,PEI Yongmao,et al.High temperature indentation tests of YSZ coatings in air up to 1 200℃[J].Materials Letters,2017,209:5-7.
[13]闫五柱,温世峰,刘军,等.压痕法确定热障涂层蠕变参数[J].稀有金属材料与工程,2010,39(10):1829-1833.YAN Wuzhu,WEN Shifeng,LIU Jun et al.Determination of creep parameters of the thermal barrier coatings using an impression creep test[J].Rare Metal Materials and Engineering,2010,39(10):1829-1833.(in Chinese)
[14]张泰华.微/纳米力学测试技术:仪器化压入的测量、分析、应用及其标准化[M].北京:科学出版社,2013:1-372.ZHANG Taihua.Micro/nano-mechanical testing technology:measurement,analysis,application and standardization of instrumented indentation[M].Beijing:Science Press,2013:1-372.(in Chinese)
[15]戎俊梅,柴国钟,郝伟娜.基于纳米压痕技术及有限元模拟的薄膜力学性能研究[J].浙江工业大学学报,2011,39(6):674-678.RONG Junmei,CHAI Guozhong,HAO Weina.Research on mechanical properties of film based on nanoindentation technology and finite element simulation[J].Journal of Zhejiang University of Technology,2011,39(6):674-678.(in Chinese)
[16]OLIVER W C,PHARR G M.An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments[J].Journal of Materials Research,1992,7(6):1564-1583.