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An Experimental Investigation of Stresses in a Steel Model of an Overloaded Breech Ring by Means of Photoelastic Coating Technique

机译:作者:张莹莹,王汝传,闫澍旺,工程力学ENGINEERING mECHaNICs光弹性涂层技术在超负荷后膛钢模型中应力的实验研究

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摘要

An experimental investigation of stresses at the lower fillet in a two dimensional steel model of an overloaded breech ring by means of photoelastic coating technique has been made. The basis of the technique is given. Expressions for stress and strain in both the elastic and elasto-plastic state are derived. Maximum fillet stress, stress concentration factor, as well as the residual stress after unloading were found. The results were compared with previous data from polycarbonate model.

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