天气预报 > 其他 > 简述应力集中的概念
简述应力集中的概念
更新时间: 2020-08-17 00:00:00  

指物体中应力局部增高的现象,一般出现在物体形状急剧变化的地方,如缺口、孔洞、沟槽以及有刚性约束处。应力集中能使物体产生疲劳裂纹,也能使脆性材料制成的零件发生静载断裂。在应力集中处,应力的最大值(峰值应力)与物体的几何形状和加载方式等因素有关。

关键词: 简述 应力 集中 概念

简述应力集中的概念相关经验

天气预报

最新推荐

页面:/news/view-117719/ | 耗时:0.9847 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=117719 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=117719 LIMIT 0,1
select * from tbl_Articles_sphinx where id=117719 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1113507,1067265,1112384,1114412,1041729,1089630,1115457,1103841,1089742,1117456,1084978,1119181,1097667,1063429,1074840,1081197,1109965,1108724,1087523,1096653,1071661,1089464,1122422,1118362,1106048,1113618,1093152,1108229,1086902,1101917) ORDER BY field (ArticleID,1113507,1067265,1112384,1114412,1041729,1089630,1115457,1103841,1089742,1117456,1084978,1119181,1097667,1063429,1074840,1081197,1109965,1108724,1087523,1096653,1071661,1089464,1122422,1118362,1106048,1113618,1093152,1108229,1086902,1101917)