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- percentage of ductile fracture surface 韧性断面率
- ductile fracture surface 韧性断口
- 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.
- The fracture surface of the normalized steel 55SiMnMo was observed, under tensile testing device equipped on SEM, to be of ductile dimple feature in the bainite which are composed of austenite and ferrite. 采用扫描电镜拉伸装置,对55SiMnMo钢正火组织进行拉断观察,发现其断口为微坑型延性断口。
- It is brittle and breaks with a conchoidal fracture surface. 性脆,具贝壳状断口。
- 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。
- The fracture surface traverses matrix as well as fibers and interface. 断裂表面横切过基体、纤维和界面。
- 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。
- 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。
- The state of knowledge about fracture surfaces is very meager. 有关断裂表面的知识非常缺乏。
- 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。
- 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 microstructure and tensile fracture surface of the Q235 steel has been investigated by TEM and SEM. 应用TEM和sem观察钢的微观组织结构及拉伸断口。
- The adiabatic heating induces the temperature of fracture surface layer to be higher than the liquidus temperature too. 计算表明;断口表面层绝热升温温度依然高于液相线温度.
- 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。
- Fracture surface was flat in macrographic view,but dimpled rupture was observed in micrographic view. 宏观断口都比较平坦,但在微观上均呈现塑断特征;
- 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。