含孔试样渐进性破坏的表面变形特征 - 张天军;张磊;李树刚;张超;宋爽;包若羽 (煤炭学报, 2017)
Keywords: 孔周位移; 应力门槛值; 数字散斑; 渐进性破坏; 裂纹扩展; 渐进性破坏; 裂纹扩展; 应力门槛值; displacement around the hole; crack propagation; digital speckle correlation method; progressive failure; 孔周位移; 数字散斑; stress threshold