[材] 金相组织
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。
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。
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Q235，Q345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。
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 stu***d.
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。
The fracture of blades made of a directionally solidified superalloy was analyzed. The failure mode and cause were stu***d 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。
Different influence of Sr modification with different parameters by analyzing metallographic structure on properties of *** casting Al alloy is stu***d.
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。
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。
Also, the anti-stress-relaxation property of PC steel bar mainly depends on the metallographic structure of final products, it does not matter to steel grade and brand of raw material.
PC钢棒的抗应力松弛性能主要取决于最终产品的金相组织，与其所用原料的钢种与牌号关系不大；
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 *** casting method of producing BW-120/10 slurry bump worm wheel has been introduced. The metallographic structure and the mechanic properties of the products have been analyzed.
介绍了BW-120/10泥浆泵蜗轮复合体挤压铸造一次成形工艺，并对制品的金相组织及力学性能进行了分析测试。
The analysis on metallographic structure indicates that the new crystal firstly appears nearby crystal boundary at the beginning of the dynamic recrystallization;
金相组织分析表明，在动态再结晶开始时，新的晶粒首先出现在晶界附近。
The brass parts with cracking have been analyzed from macro, trend ofcracking, fracture aspects and metallographic structure.
针对黄铜开裂件进行了宏观分析、裂纹走向及断口分析；
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。
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 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。
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。
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。
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。
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。
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82B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82B盘条断裂的原因。
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。
The metallographic structure of specimen under different conditions was stu***d.
还对不同条件下制备的试样进行了金相组织分析。
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 heat-affected zone and the metallographic structure are stu***d.
研究了热影响区宽度和金相结构。
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。
Metallographic structure, Scanning electron microscope analysis test.
金相组织、扫描电子显微镜分析试验。
Followly, the comparative analysis of the microhardness, metallographic structure and corrosion resistance of laser lap welding welds and resistance spot welding welds were conducted.
然后，对激光焊接接头与电阻点焊接头的显微硬度、金相组织及抗腐蚀性能进行了比较分析。
金属显微组织（metallographic structure）是材料科学中用于描述金属或合金在显微镜下呈现的微观结构特征的专业术语。它反映了材料内部晶粒的形态、尺寸、分布以及相组成等信息，这些特征直接影响材料的力学性能、耐腐蚀性和加工特性来源1。例如，钢中的珠光体和铁素体相比例决定了其硬度和韧性来源2。
通过金相分析技术（如光学显微镜或电子显微镜观察），研究人员可以识别材料的热处理状态、加工历史及潜在缺陷。美国材料与试验协会（ASTM）制定的E3-11标准详细规定了金相试样的制备流程，包括切割、镶嵌、研磨和蚀刻等关键步骤来源3。
剑桥大学材料科学与冶金系的研究表明，钛合金中α相与β相的分布形态会显著影响其航空应用中的疲劳寿命来源4。现代材料工程中，计算机辅助的定量金相学还可通过图像分析软件对晶界长度、第二相体积分数等参数进行精确测量来源5。
metallographic structure 的详细解释如下：
metallographic structure（金相组织）指金属材料在显微镜下呈现的微观结构特征，包括晶粒形态、相组成、分布及缺陷等。它是通过金相学（metallography）研究方法观察和分析的，常用于评估材料的性能与加工工艺的影响。
金相组织直接决定材料的机械性能（如强度、韧性、硬度）和工艺性能（如铸造、焊接效果）。例如，焊接温度或冷却方式会引发组织转变（transformation），进而改变材料性能。
通过金相显微镜或电子显微镜观察样品制备后的显微结构，结合腐蚀、抛光等技术突显组织特征。
如需进一步了解金相学技术或具体案例分析，可参考上述来源中的权威网页。
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