您要查找的是不是:
- The fracture mechanism of 2024 aluminium alloy without CeO2 is quasi-cleavage and dimples,the main fractographic appearances are brittle and toughness,while the fracture mode of alloy is ductile fracture with some addition of CeO2. 当未添加CeO2时,2024铝合金断口表面呈准解理和韧窝状态,表现为脆性与韧性结合的混合断裂特征,而添加一定量的CeO时,合金呈现出塑性断裂特征。
- ductile fracture mechanism 韧性断裂机理
- Mechanism of ductile fracture at corner of workpiece during grooveless rolling for high-speed wire is analysed in this paper. 分析了高速线材无槽轧制过程中轧件角部产生韧性断裂的机理,采用数值模拟方法研究了轧件角部出现裂纹的趋势。
- Keywords normalizing;hotrolled steel;fracture mechanics;ductile fracture toughness; 正火;热轧钢板;断裂力学;延性断裂韧度;
- Whereas the alloy with low Na content exhibited ductile fracture with dimples. 而钠含量较高的合金发生韧性断裂;断口为韧窝型.
- High manganese steels undergo a ductile to brittle transition at low temperature, which is accompanied by a change in the fracture mechanism from dimple fracture to intergranular fracture. 高锰奥氏体钢随温度降低其断裂机制由韧窝状断裂转变到晶界断裂。
- In this paper, fracture mechanism, position and direction of crack initiation of mixed mode fracture in several ductile materials are tested, and stress distributions of which are analyzed. 摘要应用传统强度理论和细观力学方法对几种韧性材料在复合载荷条件下的断裂机理、启裂位置、开裂方向进行了实验分析和应力场计算。
- The fracture appearance showed that ductile fracture happened during tests at elevated temperature. 断口形貌显示,叠轧材料的高温断裂属于韧性断裂。
- GB2038- 91, Metallic materials - standard test method for JIC, a measure of ductile fracture toughness[ S]. [8]GB 2038-91;金属材料延性断裂韧度JIC试验方法[S].
- Recently, evidence of ductile fracture ahead of the tool edge in cutting OFHC copper has been shown by the authors. 最近,证据韧性断裂未来的工具边缘切割高导铜在已经证明的作者。
- Fracture mechanics for plates and shells II. 板壳断裂力学2。
- The problem of ductile fracture of metals under complex stress has been investigated extensively, but has not been resolved as yet. 金属材料在复杂应力状态下的韧性断裂是断裂力学研究的重要问题之一。
- To predict the forming limit in sheet metal forming, a ductile fracture criterion is introduced into the finite element simulation. 摘要为了准确地预测板料成形极限,将韧性断裂准则引入到有限元模拟中。
- Ductile fracture is produced during the process of the tensileness, whose fracture is the shape of dimple from the analysis of examination. 2 16 9钢为延性金属 ,在拉伸状态下表现出延性断裂 ,从试验分析看 ,断口主要为韧窝形式。
- It remains an open question as to whether such ductile fracture occurs at higher cutting speeds and if it is a feature unique to OFHC copper. 它仍是一个开放的问题是,是否这种韧性断裂发生在更高的切割速度,如果它是一种功能独特的高导铜。
- The tensile fracture of FSW appears to be dimple and the fracture mechanism is analyzed through dislocation theory. 断口分析表明,搅拌摩擦焊接头断口为明显的韧窝形貌,并用位错理论解释了微观断裂机制。
- The result indicates the material not only meets need of connecting rod but also has low ductile fracture and good fracture joggle in definite condition. 结果表明,该材料不仅能够满足连杆的使用要求,在一定条件下还具有断裂低塑性及良好的断裂啮合定位性。
- Meanwhile,a useful value for following study on tensile fracture mechanism of UHMWPE/LDPE is given. 对后续研究UHMWPE/LDPE复合材料声发射特性和拉伸破坏机理具有参考价值。
- The mechanics condition of ductile fracture of pressure vessel materials and their relations to the fracture criteria were investigated based on the micromechanics. 应用细观力学的观点分析了压力容器材料韧性断裂的力学条件,并考察了其与断裂参量的关系。
- The fracture mechanism of the fibre reinforced GBCM was analyzed by the curve of load-deform. 结合弯曲载荷-变形曲线,分析了维尼纶纤维增强石膏基复合材料的断裂机理;