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断裂特征
    INVESTIGATION OF NOTCH EFFECT AND FRACTURE CHARACTERISTIC OF 93W-4.5Ni-2.5Fe HEAVY ALLOY UNDER QUASI-STATIC TENSILE LOADING
    静拉伸载荷下93W合金缺口效应和断裂特征研究
    Analysis of Mechanical Properties and Fracture Characteristic of Continuous Casting Single Crystal Copper
    连铸单晶铜的力学性能及断裂特征
    The fatigue fracture characteristics were fatigue striation, ductile microvoid, and quasi-cleavage-like fracture characteristic.
    疲劳断裂特征为疲劳条纹、韧窝及类似准解理状形貌特征。
    It is shown that 2091 Al Li alloy has hydrogen embrittlement(HE) susceptibility,hydrogen caused the decrease of bond energy of 2091 Al Li alloy,the HE susceptibility and fracture characteristic of 2091 Al Li alloy correlates with microstructure.
    结果表明,2091合金具有明显的氢脆敏感性,氢降低合金原子间结合能。 合金氢脆敏感性和断裂特征与微观组织有密切关系。
    The fracture characteristic of high aluminum Zinc-based alloy (ZA27) under the tensiletest at the room temperature was studied. The results show that the cracks of ZA27 alloy form ata+ry eutectic phase, develop by propagating along the phase and cuting through the dendrite aphase and E phase. The influence of every phase in ZA27 on the strength and ductility wasanalyzed.
    对高铝锌基ZA27合金在室温下的拉伸断裂特征进行了研究结果表明,ZA27合金在拉应力作用下,其裂纹源始于树枝晶间的α+η共晶组织中,裂纹扩展过程是以沿α+η相扩展,剪断树枝状α相和ε相的方式进行的.并探讨了ZA27中各相对其强度和塑性的影响.
    By using instrumented drop weight tester, the dynamic fracture behavior of the thermal continuous rolling 5mm 14MnVTiRe steel plate was investigated and the evaluation of fracture characteristic of drop weight tear specimen was conducted.
    采用示波落锤试验法对 5mm热连轧 1 4MnVTiRe钢的韧脆断裂行为进行了研究并对落锤撕裂试样的动态断裂特征进行了评价。
    The correspondent relation between the Al content in filler metals and that in Fe-Al cladding layers was established through TIG cladding procedure tests,and the influence of Al content on the clad cracking,microstructure,mechanical property and fracture characteristic of the cladding layer was also investigated. The Al content range in which the Fe 3 Al could be obtained was determined,so as to provide scientific basis for developing Fe 3 Al cladding wires.
    通过TIG堆焊工艺试验,建立了填充金属Al含量与Fe-Al合金堆焊层中Al含量之间的对应关系,研究了Al含量对堆焊层裂纹倾向、显微组织、力学性能以及断裂特征的影响规律,确定了获得Fe3Al合金堆焊层所要求的焊丝中Al含量范围,为研制开发Fe3Al堆焊焊丝提供了依据。
    The deep and large cavities are formed on fracture surface and grain boundary sliding and intergranular fracture characteristic is obvious on the optimal superplastic deformation condition.
    在最佳超塑性条件下,断口中形成了大而深的空洞,晶界滑动和晶间断裂特征明显。
    The analysis of the tensile fracture surfaces reveal that the extruded Al-4% Mg alloys with and without the addition of Ce exhibit the typical ductile fracture characteristic.
    室温拉伸断口的 SEM分析结果表明,挤压变形Al-4%Mg系合金均表现出典型的韧性断裂特征
 

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