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Position: Home > Articles > Calculations and Experiments of Straightening Feasible Field of Shaft with Single-edged Crack Transactions of the Chinese Society for Agricultural Machinery 2003,34 (2) 123-125

单边径向裂纹轴校直行程可行域计算及实验

作  者：
翟华;王芳;柯尊忠;蒋守仁
单  位：
合肥工业大学机械与汽车工程学院;安徽科技出版社
关键词：
机械学;校直行程;J积分;可行域
摘  要：
依据弹塑性断裂理论和实验分析对含裂纹轴校直中最危险的单边径向裂纹轴进行了研究 ,提出了单边径向裂纹轴校直行程可行域计算方法 ,经实验验证是有效的
译  名：
Calculations and Experiments of Straightening Feasible Field of Shaft with Single-edged Crack
作  者：
Zhai Hua Ke Zunzhong Jiang Shouren(Hefei University of Technology) Wang Fang(The Press of Anhui Science and Technology)
关键词：
Mechanics, Straightening stroke, J Integral, Feasible field
摘  要：
Because of material, manufacturing process and heat treatment, the crack and defect on a part surface will influence a straightening technology, especially in straightening a shaft with key seating, and a heavy straightening stroke may result in a part fracture. In this paper, an evaluating means of straightening feasible field of a shaft with a single edged crack, which is the most dangerous case in straightening process, was developed based on the elastic plastic fractures of the part and experimental analysis. The upper critical can be computed according to the J Δ function, and the lower critical from the F Δ curve. The experimental results are excellent.

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