利用SEM、TEM研究了同一成分的热轧双相钢的马氏体体积分数对形变位错结构和断口组织特征的影响。
Effect of martensite volume fraction on deformation dislocation structure and fracture for hot rolled dual-phase steel of the same composition was studied by using SEM and TEM.
分析了插销焊接接头的组织和插销试样的断口形貌。
Microstructure of the joints and fracture morphology of implant samples were analyzed.
示波冲击曲线与断口形貌和硬度以及组织有良好的对应关系，是韧性分析的有效方法之一。
Oscilloscope Charpy impact curve corresponds well with fractographic characteristic, hardness curve and the microstructures, therefore is the effective toughness analyzing method.
通过金相技术、力学性能试验和SEM技术研究了6061-T6铝合金真空电子束焊接接头的金相组织、力学性能和断口形貌特征。
The metallurgical structures, mechanical properties and fractographs of EB welded 6061-T6 aluminum alloy joint were studied by means of metallography, mechanical test and SEM technology.
分别进行了塔形发纹检验、显微组织分析、低倍酸浸试验及断口试验分析，确定出该曲轴中的主要缺陷为“白点”。
The article talks about crank crack of shearing machine caused by flakes through testing tower-shaped texture and fracture, dipping in less-acid solution and analyzing its microstructure.
利用扫描电镜断口分析及金相分析技术，分析了材料拉伸试件断口形貌及金相组织，初步探讨了材料的静态拉伸塑性变形机理。
The metallurgical structure and fracture morphology of the tensile specimens were investigated with SEM and metallurgical analysis, and the static tensile plastic deformation mechanism was researched.
对690TT合金的应力腐蚀和晶间腐蚀进行了试验，另外对其组织及断口等也进行了分析。
The stress corrosion and intercrystalline corrosion of 690TT alloy are tested in the article. Besides it's organization and fracture etc are also analysed.
研究了高强度钨合金材料大变形量锻造后的扫描断口，并结合力学性能变化规律分析了大变形对材料组织和性能的影响。
In this paper, after large deformation, scanning fractograph of tungsten alloys have been studied, and the influence of large deformation level on microstructure and properties has been analysed.
采用光学显微镜、扫描电镜等分析手段，对45钢大齿轮传动轴断裂表面的金相组织、断口形貌进行了分析和检测。
The metallurgical structure and fracture morphology on gear transmission shaft of 45 steel were analyzed by means of optical microscope and scanning electron microscope.
铸铁断口形貌主要受其内部结晶组织和加载方式的影响。
The fracture morphology of cast iron is influenced mainly by its internal crystal structure and loading mode.
针对断裂叶片及拉筋进行了化学成分、金相组织、硬度、断口等分析，以便找到叶片断裂的原因。
The chemical composition, metallographic structure, hardness and surface of fracture are analyzed herein for the broken blade and lacing wire in order to find the cause of blade fracture.
用电镜对邯钢Q 235, Q 345中板伸长率低的典型试样进行了断口、金相组织分析，找出了试样断后伸长率低的原因，提出了相应的改进建议。
With electron microscope the fracture surface and metallographic structure analysis is done for typical sample of Q235, Q345 plate of low elongation, its reason found out, some Suggestions proposed.
对定向凝固合金叶片的裂纹进行分析，在断口观察与金相组织分析的基础上，对叶片的失效模式与失效原因进行研究，并提出预防该类故障发生的措施。
The cracks on blades made of a directionally solidified superalloy were analyzed. The failure mode and cause were studied in virtue of fracture observation and metallographic analysis.
显微组织和断口观察指出，初始组织的这种影响，与不同初始组织的双相钢中马氏体相的形态和分布有关。
The observations of microstructures and tensile fracture surface showed that such effect of initial structure can be related to the shape and distribution of martensite in dual phase steels.
研究了稀土元素对AZ 91 D压铸镁合金高周疲劳性能的影响，并对疲劳断口的组织形貌进行了分析。
Influence of rare earth elements on high-cycle fatigue properties of AZ91D alloy was investigated and the fatigue fracture morphology was also analyzed.
对45碳钢氮碳共渗处理疲劳断裂后的断口附近的显微硬度，组织特征进行了分析。
The microhardness, microstructure characteristics of the nitrocarburized 45 carbon steel after fatigue fracture were studied.
采用化学成分、宏观断口、低倍组织及金相组织等分析方法对轧辊断裂原因进行了分析。
The reason of roll fracture has been analyzed by means of chemical composition analysis, macro fractograph, low magnification structure and microstructure examination.
对定向凝固合金叶片的断裂故障进行了分析，在断口观察与金相组织分析的基础上，对叶片的失效模式与失效原因进行了研究，并提出了预防该类故障发生的措施。
The fracture of blades made of a directionally solidified superalloy was analyzed. The failure mode and cause were studied in virtue of fracture observation and metallographic structure analysis.
对断裂起重机吊具zg270- 500铸钢的化学成分、硬度、显微组织、断口形貌等进行了检测和分析。
The chemical composition, hardness, microstructure and fracture morphology of ZG270-500 cast-steel of cracked lifting instrument were detected and analyzed.
研究结果表明，锻材断口呈石状、显微组织枝晶特粗大的原因主要是由于锻造加热工艺控制不当造成。
The result shows that due to the reason of unsuitable control of the forging process, the forging fracture is in stone shape and the microstructure is extremely rough.
本文对亮条的断口特征、金相组织、化学成分和显微硬度进行了分析。
This paper analyzes the fracture appearance, microscopic structure, chemical composition and micro-hardness of the bright ghost structure.
对45钢连接螺栓断裂件的显微组织、断口形貌、硬度和抗拉强度进行了观察分析和测试。
The microstructure, surface fracture morphology, hardness and tensile strength of the failed 45 steel connecting bolt were analyzed and tested.
对汽轮机断裂叶片进行了金相组织观察、断口扫描及能谱分析。
Metallographic observation, fracture scanning and energy dispersion spectrum analysis on the fractured turbine blade were carried out.
对淬火开裂的S45 C钢零件进行了化学成分、金相组织、断口分析及硬度检测。
The chemical composition, microstructure, fracture morphology and hardness of cracked S45C steel parts were tested and analyzed.
采用光学显微镜、扫描电子显微镜、硬度机等对表面已开裂破损45钢冷冲模具的组织、性能和断口进行研究分析。
The microstructure, properties and cracks of the fractured cold pressing die made of 45 steel were analyzed by optical microscope, scan electronic microscope and micro-hardness instrument.
对不同堆焊试样进行硬度测试，对堆焊金属及其结合部位进行显微组织及断口形貌观察。
The hardness of different hardfacing specimens was measured, and the microstructures, fracture morphologies and the binding sites of different hardfacing specimens were observed.
对燃气轮机二级动叶片失效件进行了化学成分分析、金相组织观察、晶粒度测定、夹杂物检查及断口分析。
In this paper, the chemical contents, microstructure, inclusion, grain size and fracture analysis of the second grade gas turbine blade were investigated.
通过硬度试验、冲击试验、断口扫描和金相组织观察，研究了T92钢焊接接头的韧性与组织的关系。
Through hardness test, impacting test, SEM of failure surface and microstructure observation, the relationship between the toughness and its microstructure of welding joint of T92 steel was studied.
本文用宏观和微观方法测量了几种高强度钢的疲劳裂纹扩展速率，用金相和断口复型法观察了疲劳断口的微观形态以及与显微组织的关系。
The studies were carried out of the test of fatigue crack growth rate and relative to the microscopic morphology of fracture surface in certain high-strength steels.
对其断口、材料的化学成分、力学性能和显微组织进行分析。
Analysis are made to the rupture and chemical composition, mechanical properties and microstructure of the material.
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