本文论述应用电子显微断口分析法对疲劳断面进行定量分析。
The application of electron fractography to the quantitative analysis of fatigue fracture surfaces is discussed in this paper.
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.
通过灰口铸铁同质电弧冷焊焊缝断口宏观与显微分析，对灰口铸铁焊缝裂纹的形成及扩展机理进行了探讨。
In this paper, the fracture of grey cast iron weld has been observed by SEM, and the mechanisms of the cracking initation and progression have been discussed.
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.
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.
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.
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.
采用光学显微镜、扫描电镜对失效铁路车辆铆钉的微观组织与断口进行分析。
The microstructure and tensile fracture of railway vehicle rivet were analyzed by OM and SEM.
分析结果表明，断裂钢轨化学成分满足标准要求，低倍组织和显微组织正常，断口呈脆性断裂解理特征，断口处氧化严重。
The results show that the chemical composition, macrostructure and microstructure are normal, the fracture appearance is brittle crowbarand, and the fracture was oxygenated severely.
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.
用金相显微镜和电子探针对新氢压缩机活塞杆断口进行了分析。
The fracture of piston rod of new hydrogen compression pump is studied by metallography and electron probe in this paper.
采用扫描电镜及光学显微镜对压力机偏心齿轮主轴断口进行了系统的分析。
Experimental techniques such as optical microscopy and scanning electron microscopy were used to study fracture of press eccentric gear main shaft.
利用扫描电子显微镜和能谱分析(EDS)对焊缝断口进行成分分析，研究焊接接头的焊接缺陷及断裂机制。
Weld fracture components were analysed by SEM and EDS, joint defect and fracture mechanism were also researched.
用扫描电镜、金相显微镜观察分析了80钢盘条拉拔断裂的断口，并对盘条进行了理化检验分析。
The fracture section of steel 80 wire rods was analyzed by SEM and metallographic microscope, and the related batch of wire rods was physically tested and chemically analyzed.
它的广泛报导集中在断裂力学、裂缝的形成与传播、断口显微分析及其他观察法。
Its comprehensive coverage focuses on flaw detection, inspection, stress measurement, development of testing equipment and sensors, and data analysis.
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.
对微细高速钢麻花钻破坏断口进行了显微观察和测量，根据微小孔钻削实验结果，分析了造成钻头折断的原因和影响其使用寿命的因素。
The fault plane of micro-drill is measured with microscope. According to the result of test, the main elements of destroying drill is investigated.
运用扫描电镜（SEM）和偏光显微镜对共混物的冲击断口形貌以及结晶情况进行了观察与分析；
The morphology and the crystallinity of the blends were studied with SEM and polarizing microscope respectively.
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.
飞机发动机减速器支撑杆在加工过程中易产生微裂纹，通过显微组织检验、断口形貌观察、微区成分分析以及含氢量测定和模拟焊接试验等方法对其裂纹产生的原因进行了分析。
The surface tiny crack generating by sample hardening were found in test, and some surface fracture caused by inclusion and gas pocket, and these appearance should be correctly analyzed and judged.
本文对珠光体球铁常温下小能量多次冲击断口进行了宏观和微观的分析；提供了一组珠光体球铁小能多冲断口微观形貌的电子显微镜照片；
This paper presents the macro and micro analysis of pearlite ductile iron small energy multiimpact fracture surface a group of it's microscope photographs are supplied.
测试接头拉伸强度，并对断口和接头显微组织进行分析。
Tensile strength was tested, and the joint fractures and microstructures were analyzed.
对焊接接头进行了拉伸强度测试、断口分析、金相组织分析、显微硬度分析。
Tensile testing, fracture analysis, microstructure analysis, hardness test were carried out on the welded joint.
采用扫描电子显微镜和光学显微镜观察了热轧板在冷弯过程中开裂试样的断口形貌并进行了成分分析。
A hot-rolled plate cracked during cold bending process. Scanning Electron Microscope and Optical Microscope were used to investigate the cracked plate.
对剃齿刀断口进行了宏、微观检验、化学成分分析、硬度测试和非金属夹杂物及显微组织检验。
Micro-analysis of the Internal Control Performance System of Capital Operation of State-owned Commercial Banks Based on Data Validation;
对剃齿刀断口进行了宏、微观检验、化学成分分析、硬度测试和非金属夹杂物及显微组织检验。
Micro-analysis of the Internal Control Performance System of Capital Operation of State-owned Commercial Banks Based on Data Validation;
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