FAILURE CONSIDERATIONS P2

Chia sẻ: Thanh Liem | Ngày: | Loại File: PDF | Số trang:42

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FAILURE CONSIDERATIONS P2

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To approximate the effects of strain hardening, a flow stress cr0, taken to be an average of the yield and ultimate strengths, is often used when computing the plastic collapse stress. The plastic collapse stress ac is that applied stress which produces cr0 across the remaining uncracked ligament, and is the maximum applied stress that a perfectly plastic material can sustain. This stress may be determined using a limit load analysis. In general, the plastic collapse stress is a function of geometry, type of loading, type of support (boundary conditions), ...

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