Application of metallography apparatus in metallography analysis;
金相分析系统在金相分析中的应用
The Practice of Chemical Etching of Gold and Gold Alloys in Metallography;
金及其合金的金相化学浸蚀实践
Causes of fracture of Buton steel wire rope happened at the early stage of weaving traction were analyzed with macro - examination, metallography, scanning electron microscope and electron probe microanalyzer.
利用宏观、金相、扫描电镜、电子探针等检测手段,对布顿钢丝在缆绳编制初期的牵引过程中发生的断裂原因进行了分析。
Analyzing by metallurgical phase and SEM, find out the fracture causation of 9Cr2Mo forged cold-rolled working roll.
通过金相和扫描电镜分析,并配合热处理试验,找出9Cr2Mo锻钢冷轧工作辊断裂失效原因。
New application of metallographic analysis in appraising judicature evidence;
金相分析在司法物证鉴定中的新应用
Using metallographic microscope to analysis microstructure feature of heat treatment of 3Cr2W8V hot forging dies.
根据金相显微分析模具热处理前后的显微组织特征,改进了锻后淬火热处理工艺,从而控制和保证模具达到一定的淬硬层深度,使模具寿命显著提高。
This paper describes the facture of hard alloy metallographic photos, the solution of the key problem in facture, and the characteristic of the metallographic photos.
简述了硬质合金的金相图谱的制作过程,介绍了制作过程中重点问题的解决办法,以及制作的金相图谱的特点。
Microstructure Analysis for Aluminum Bronze Based on MATLAB;
基于MATLAB的铸造铝青铜金相组织分析
Through controlling the related processing parameters of continuous wave CO2 laser,LY12CZ surface was remelted by laser and after remelting the fatigue test,fatigue fracture,microstructure and micro-hardness were analyzed.
通过控制CO2连续激光器的有关工艺参数,对LY12CZ铝合金进行了激光表面重熔,并对重熔后的试样进行了疲劳实验、疲劳断口分析、金相分析及显微硬度测试。
The paper represents the in-fluence of soldering process on microstructure and mechanical properties of ZL114A casting alloys.
ZL114A铸造铝合金用于生产飞机及导弹上较重要的零部件,铸造铝合金存在裂纹、气孔等缺陷需用焊接方法进行修复,叙述了焊接工艺对ZL114A铸造铝合金金相组织及对机械性能的影响。
Metallographic Study on the Connexion Behavior of the Leading-out Wire in Microelectronic Devices;
微电子器件中引出线联结行为的金相研究
Compared with the traditional book metallograph,electronic metallograph has many advantages such as higher information density,larger contents,easy checking and exchanging with others through the computer net etc.
用电子金相图谱取代传统的金相图谱 ,具有容量大 ,便于检索和交流等诸多优点。
After concrete structure is fired, the fire temperature can be judged by the analysis of the melting point of damage material, the surface color of concrete, the damage degree and the metallograph of reinforced bar.
混凝土结构遭受火灾后,通过对被燃烧物质的熔点,混凝土表面颜色、损伤程度以及钢筋的金相分析,可判定火灾的温度。
Analysis on founding metallurgical structure shows causes of turbine blade foundry and hot treatment defects.
本文分析了水轮机组叶片铸造缺陷的产生原因和防止措施,水轮机组不锈钢叶片铸造裂纹的形成是由于铸造热应力和组织应力过大,超过材料的抗拉强度,通过对铸态下的金相组织分析,找出了水轮机叶片铸造与热处理缺陷产生的原因,并提出了改进措施。
The corresponding metallurgical structure,hardness,bend tests and impact toughness of overlay metal,and porosity,anti-heat shock performance of coating were analyzed.
将电弧超声引入堆焊和热喷涂工艺,进行常规堆焊、等离子喷涂和引入电弧超声技术的对比试验,比较其堆焊层的金相组织、硬度、抗弯性能、冲击韧度和热障涂层的孔隙率、抗热震性能,结果表明:电弧超声的加入能够细化堆焊接头的熔合区组织,降低脆硬倾向,改善堆焊接头的抗弯性能和冲击韧性;由于超声波的空化效应、热效应和机械效应,电弧超声改善了喷涂过程的雾化效果,减小了熔滴的颗粒度和涂层中弥散气孔的尺寸,提高了热障涂层的抗热震性能。
Combined theoretical analysis with experiments,effects of technology parameters and different scanning routes on warp,crack and balling phenomenon were investigated;In addition,the relations between chemistry composition,cooling rate and metallurgical structure,microhardness are analyzed for supplying theory guidance and experimental basis.
针对金属零件在选择性激光熔化成形过程中容易产生翘曲变形、裂纹与球化现象等问题,在理论分析与试验的基础上,探讨了其工艺参数与扫描路径对金属粉末在熔化成形中翘曲变形、裂纹与球化的影响,以及化学成分、熔池冷却速度与制件金相组织、显微硬度的关系,为选择性激光熔化技术的发展提供理论指导与实验依据。
A method display penetrating layer by color metallography;
显示渗层组织的彩色金相法
An easy-to-perform chemical etch method with a good repeatability was studies based on discussions of color metallography and its developments.
通过对彩色金相技术发展现状的分析。
Difference of Local Corrosion Behaviors of Archaeological Cast Irons with Four Different Microstructures in Soil;
4种不同金相组织的仿古铸铁在土壤中局部腐蚀行为的差异
Effect of Purifying Agent on the Microstructure and Mechanical Properties of Nodular Graphite Cast Iron;
铁神一号净化剂对铸态球铁金相组织和力学性能的影响
Influence of TIG dressing on microstructure and fracture toughness of welding joint;
TIG熔修对焊接接头的金相组织及断裂韧性的影响