The heat-affected zone and the metallographic structure are studied.
研究了热影响区宽度和金相结构。
Metallographic structure, Scanning electron microscope analysis test.
金相组织、扫描电子显微镜分析试验。
Mainly its metallographic structure consists of acicular ferrite and martensite.
钢的组织主要由针状铁素体和马氏体两相组成。
It analyses the chemical composition and metallographic structure of grade X80 steel.
分析了X80级钢的化学成分和金相组织。
Capable eof heat treatment knowledge base (metallographic structure) to be future HT SCA.
具备热处理基础(金相组织)，以便成为将来的热处理工程师。
The optimal technological parameter was obtained by laser cladding experiment and metallographic structure analysis.
通过熔覆试验和金相组织分析，获得了最佳工艺参数。
An analysis was made on the connection mechanism of the pressing circle and on the metallographic structure at the circle area.
对冲压圆点连接的机理和圆点处的金相组织进行了分析。
An analytic test of the chemical composition, the inclusion quantity contained and the metallographic structure of the broken shaft was conducted.
对断裂主轴的化学成分、夹杂物含量和显微组织进行了检验。
The macro characteristics, micro morphology, metallographic structure and carburized layer depth of the fractured teeth were observed and analyzed.
对断齿齿面的宏观特征、微观形貌、显微组织和渗层深度进行了观察、测试与分析。
Different influence of Sr modification with different parameters by analyzing metallographic structure on properties of die casting al alloy is studied.
通过金相组织分析以及在不同参数下以锶变质对压铸铝合金性能带来的各种影响进行了试验。
Study metallographic structure of phosphor eutectic and boride in continuous cast iron. The microstructure of piston has been analyzed and proved after wear test.
研究水平连续铸造方式下高磷含硼铸铁中磷共晶和硼化物的分布特点，并进行超耐磨性试验，对磨损试验后材料的微观形貌进行试验验证分析。
Metallographic structure of copper coated graphite powder and sintering material were analyzed and the reason of the material having high conductivity was illust...
本文还分析了这种钢镀覆石墨粉末及其烧结材料的金相结构，解释了材料的高导电性的原因。
By analyzing the network structure, metallographic structure, inclusion, surface quality and drawing process, the reason of crack for 82b wire coils was pointed out.
针对国产82 B盘条在拉拔过程中的断裂现象进行了分析，通过对网状组织、金相组织、夹杂物与表面质量及拉拔工艺的浅析，指出了造成82 B盘条断裂的原因。
Metallographic structure of copper coated graphite powder and sintering material were analyzed and the reason of the material having high conductivity was illustrated.
本文还分析了这种钢镀覆石墨粉末及其烧结材料的金相结构，解释了材料的高导电性的原因。
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.
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 effect of ferro-silico-barium and its rare earth complex alloy on mechanical properties, castability and metallographic structure of cast iron containing Pb, As and Sn have been studied.
研究了含钡硅铁及其稀土复合合金对含铅、砷、锡铸铁机械性能、铸造性能和金相组织的影响。
This is ideal optical instrument for micro observation in metallographic structure and surface morphology. It is suitable for research in metallography, mineralogy, precision engineering, etc.
适用于金相组织及表面形态的显微观察，是金属学、矿物学、精密工程学研究的理想仪器。
The results show that chemical composition, metallographic structure and mechanical properties of steel for the tool joints conform to the API standard and the customer's technical requirement.
结果表明，接头用钢的化学成分、金相组织、机械性能符合API标准及订货技术条件。
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。
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.
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。
On the basis of experiment and change of metal flow line, metallographic structure and micro-hardness in deformation zone, this paper researched process, characteristic and mechanism of fine-blanking.
通过实验和变形区流线变化、金相组织和显微硬度的变化，对精冲成形的过程、特点、精冲成形机理进行了研究。
The article analyses the samples under the three heat treatment systems of inflection test with comparability, and illustrates the relation between metallographic structure and inflection performance.
本文运用金相组织分析的手段，对具有可比性的反弯试验的三种热处理制度下的样品进行分析，展示了金相组织与反弯性能之间的联系。
Metallography detection is a technology that studies about the relationship between the structure and the performance of metal material based on the metallographic theory.
以金相学理论基础，金相检测是一种用于研究金属材料内部结构组织与材料性能之间关系的检测技术。
Effect of aluminium coating process on the structure and properties of aluminized steel strip was studied using metallographic technique.
应用金相技术研究了热镀铝工艺对镀铝钢带组织和性能的影响。
With coat section metallographic, X-ray diffraction and scanning electrical mirror analysis method, have studied coat microscopic shape look, organization structure and the coating's composition.
采用涂层断面金相、X射线衍射、扫描电镜分析方法，研究了涂层微观形貌、组织结构、组成成份。
The metallographic analysis shows that the metallurgical structure is proper. The results of internal pressure test indicate that the hot tap structure can work safely.
对间断焊焊接接头的金相分析表明其金相组织正常，内压试验结果表明该结构能安全运行。
The structure of spheroidal carbide in wear resistant white iron was investigated by SEM observation and EPMA of ion etched metallographic specimen.
用离子蚀刻加扫描电镜观察和微区成分分析的方法研究了耐磨白口铁中球形碳化物的结构。
The surface morphology of corrosion layer, corrosion products, structure and alloy elements of rust layer in natural city atmosphere were studied by metallographic observation, SEM and XRD.
主要采用金相、扫描电镜、X-射线衍射方法分析和探讨了初期腐蚀层形貌、腐蚀产物和合金元素的分布。
The surface morphology of corrosion layer, corrosion products, structure and alloy elements of rust layer in natural city atmosphere were studied by metallographic observation, SEM and XRD.
主要采用金相、扫描电镜、X-射线衍射方法分析和探讨了初期腐蚀层形貌、腐蚀产物和合金元素的分布。
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