In the light of the cracking accidence of the welding structure of a large type excavator used in the mine, this paper studies on the dynamic fractu re characters of 15MnV steel through simulating the actual working condition, an d analyzes on the reasons of the occurrence of the brittle fracture.
针对某矿山用大型挖掘机焊接结构构件的开裂事故,模拟实际工况研究了15MnV钢的动态断裂特性,分析了产生脆性开裂的原因。
The high Mn steel caustic embrittlement cracking was distinct in corrosion.
结果表明,高锰钢的平均腐蚀速率显著高于中碳铬合金钢,腐蚀过程中高锰钢有较严重的碱脆开裂现象。
Numerical Simulation and Experimental Verification of Brittle Fracture for Mixed Ⅰ-Ⅱ Type of V-notch;
Ⅰ-Ⅱ复合型V型切口脆性开裂的数值模拟与实验验证
Crazing is the invariable precursor of brittle fracture.
出现小裂纹必然是脆性断裂的前兆。
The fracture is brittle fracture, and the reason is that material of forming dies takes place the temper brittleness.
引起脆性断裂的原因是成型模产生了回火脆性。
Study on Mechanism and Criterion for Brittle/Ductile Fracture and Theory of Crack-tip Deformation;
脆性/韧性断裂机理与判据及裂尖变形理论研究
THE STRESS AND DEFORMATION OF bridge BAR OF QUASI-BRITTLE MATERIAL CRACK
准脆性材料裂纹桥联筋的应力与变形
Fracture Behavior Analysis of Strenthening Structure Based on Brittle Material
脆性材料基强化结构的断裂行为分析
Analysis on Brittle Fracture of 20Mn2 Steel Ring Chains
20Mn2钢圆环链脆性断裂原因分析
Technology Research of Forging Crack and Rolling Brittleness Fracture of Pure Nickel Ingot
纯镍铸锭锻造开裂及轧制脆断工艺研究
Good brittle resistance at low temperature, PE pipe never be ruptured in winter constructing.
低脆性温极低，冬季施工时，因材料抗冲击好，不会发生管子脆裂。
Brittleness of High Strength Concrete and Measures Studied of Reducing the Brittleness and Increasing the Toughness of Concrete;
高强混凝土的断裂脆性及其增韧减脆措施试验研究
The alloys occur ductile fracture after annealing.
合金热轧态呈脆性准解理断裂,退火后转变为韧性断裂。
Then, the fault is remade in middle and late Himalayan period, showing the characteristics of brittle thrust in many times.
充分反映该断裂具多期次活动的脆性逆冲特征。
Theory of Brittleness Number Applied in Fracture Testing of Cast Magnesium Alloy
脆性指数理论在铸镁合金断裂试验中的应用
Chaotic Analysis on Extended State of Crack in Brittle Rock;
脆性岩石裂纹尖端扩展状态的混沌动力学分析
Test Research on the Fracture Mechanics for the Britlle Materials under Compressing;
受压状态下脆性材料断裂机理的试验研究
Influence of Different Stress Ratio on the Fracture Behavior of Brittle Materials;
不同应力比对脆性材料断裂的影响研究
INVESTIGATION ON THE MICRO-CRACK DAMAGE MODEL OF BRITTLE ROCK UNDER UNIAXIAL TENSILE LOADING
单轴拉伸条件下脆性岩石微裂纹损伤模型研究
Brittle fracture destroy analysis of the frame joint in earthquake
框架节点在地震中的脆性断裂破坏分析