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- W2362842440 abstract "The maximum stress triaxiality criterion(M-criterion) was put forward for brittle materials.In order to promote its application to ductile material,Yu's unified strength theory was introduced into formula for defining plastic zone of crack tip,and the critical condition of the M-criterion was modified.The single-shaft tension test of HTPB propellant with Ⅰ-Ⅱ composite crack was conducted by using WDN-10 kN material tensile device at 20 ℃ and with loading speed of 2 mm/min.Crack initiation angle and fracture loading under different crack tilt angles were obtained.The results show that crack initiation angle is close to predicted results of modified M-criterion compared with other criterions,so the modified M-criterion can be used for predicting crack initiation angle of solid propellant." @default.
- W2362842440 created "2016-06-24" @default.
- W2362842440 creator A5086330863 @default.
- W2362842440 date "2008-01-01" @default.
- W2362842440 modified "2023-09-23" @default.
- W2362842440 title "Modified M-criterion based on unified strength theory and its application to grain crack prediction" @default.
- W2362842440 hasPublicationYear "2008" @default.
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