名词解释题Griffith微裂纹理论
名词解释题
Griffith微裂纹理论
参考解析
解析:
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相关考题:
单选题The primary purpose of the passage is to _____.Adiscuss the importance of Griffith to the development of the cinemaBdocument Griffith’s impact on the choice of subject matter in American filmsCdeplore the state of American cinema before the advent of GriffithDanalyze the changes in the cinema wrought by the introduction of the multi-reel film
单选题表面微裂纹是由于晶体缺陷或外力作用而产生,微裂纹同样会强烈地影响表面性质,对于脆性材料的强度这种影响尤为重要,微裂纹长度(),断裂强度()。A越长;越低B越长;越高C越短;越低D越长;不变
填空题按照格里菲斯微裂纹理论,材料的断裂强度不是取决于裂纹的(),而是决定于裂纹的大小,即是由最危险的裂纹尺寸或临界裂纹尺寸()。