有一构件,实际使用应力σ为1.30Gpa,有以下两种钢待选: 甲钢:σ ys =1.95GPa,K IC =45MPa m 1/2 乙钢:σ ys =1.56GPa,K IC =75MPa m 1/2 试根据传统设计及断裂力学观点分析哪种钢更安全, 并说明原因。 ( 已知: Y=1.5, 最大裂纹尺寸为1mm)。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】It's not about how much money you make, and it's not about who your daddy is. We're talking about being attractive in general, whether it's on a job interview or just gaining the respect of your colle...