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含半椭圆型表面缺陷陶瓷材料的热冲击阻力分析

THERMAL SHOCK RESISTANCE ANALYSIS OF CERAMIC PLATE WITH SEMI-ELLIPTICAL SURFACE DEFECT
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摘要 本文研究一个有半椭圆型表面缺陷的陶瓷材料板的热冲击阻力问题.通过多项式形式的应力和几何形状因子得到半椭圆型表面裂纹尖端的热应力强度因子.以蓝宝石陶瓷板为例,基于最大应力准则和断裂韧性准则分析其热冲击阻力行为,并由这两个准则得到其强度计算中真实的热冲击阻力曲线. 本文研究一个有半椭圆型表面缺陷的陶瓷材料板的热冲击阻力问题.通过多项式形式的应力和几何形状因子得到半椭圆型表面裂纹尖端的热应力强度因子.以蓝宝石陶瓷板为例,基于最大应力准则和断裂韧性准则分析其热冲击阻力行为,并由这两个准则得到其强度计算中真实的热冲击阻力曲线.
作者 常冬梅 王保林 李金娥
机构地区 哈尔滨工业大学深圳研究生院
出处 《固体力学学报》 CAS CSCD 北大核心 2011年第S1期25-30,共6页 Chinese Journal of Solid Mechanics
基金 国家自然科学基金(10972067 11172081)资助项目
关键词 热冲击 陶瓷 强度分析 断裂韧性 thermal shock ceramics strength analysis fracture toughness
分类号 O346.1 [理学—固体力学]
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参考文献26

  • 1Yuezhong Feng Zhihe Jin.THERMAL FRACTURE OF FUNCTIONALLY GRADED PLATE WITH PARALLEL SURFACE CRACKS[J].Acta Mechanica Solida Sinica,2009,22(5):453-464. 被引量：1
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固体力学学报
2011年 第S1期

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