金相组织

对变质效果进行了综合分析比较，结果表明：含Si量的变化对合金的金相组织、电阻率、抗拉强度和伸长率都有较大的影响；

The results of modification are evaluated synthetically and showed : varieties of Si quantity influence largely microstructure , resistivity , tensile strength and percentage elongation ;

本文通过机械性能测量和金相组织分析，详细地探讨了Mn/Ni值和Nb含量的变化对奥氏体热模具钢性能的影响。

The influence of Mn / Ni ratio and Nb content in an austenitic hot-working die steel is discussed in detail after carrying out mechanical property tests and microstructure analysis .

Ni（18）CO－9Mo5Ti马氏体时效钢的金相组织与性能

Metallographic Structure and Properties ofNi ( _18 ) Co_9Mo_5Ti Maraging Steel

α-Al2O3复合涂层梳刀的金相组织分析

Metallographic Analysis of Carding Tool with α - Al_2O_3 Compound Coating

CCD金相组织图形模式识别研究

Study of pattern recognition of CCD metallography organization

用热模拟压缩试验研究了Ti－17合金高温变形特点，通过金相组织和TEM观察发现，β区变形是以扩散回复型变形机制占主导地位；高应变速率下只发生动态回复；

The high temperature deformation characteristic Ti-17 alloy was investigated using hot compressive test .

本文用动态敲击法对稀土镁球墨铸铁的弹性模量E值与金相组织及抗拉强度值之间的关系进行了初步探讨。

The quantitive relationship between elastic modulus and sphere rate of rare - earth magnesium nodular iron is shown .

用X射线衍射法研究测定了热推制成形和退火后的环形纯钛管表面的残余应力及分布特点：用OM观察了退火后的试样金相组织；

The residual stress distribution of pure titanium ring pipe were studied by XRD .

通过金相组织研究、SEM检测以及X射线衍射分析，证明其具有良好的组织形貌；

The microstructure of high CrNi alloy coating by supersonic arc spraying was analyzed by SEM and X-ray diffraction tests .

TIG熔修对焊接接头的金相组织及断裂韧性的影响

Influence of TIG dressing on microstructure and fracture toughness of welding joint

通过金相组织观察和X射线衍射分析了抗磨耐热钢铸态和退火后的显微组织；

The microstructure of the wear-resistant and heat-resistant steel at as-cast and at annealing is analyzed through the metallographical observing and X-ray diffraction .

用SEM检测了试样的金相组织及渗层厚度，结果表明经多元共渗后表面改性层由疏松层、白亮层、过渡层组成。

Result shows that the modified layer is composed of the loose layer , the bright layer and the transition layer .

观察焊缝的微观金相组织发现，冷、热丝TIG对接焊缝中未出现粗大魏氏组织。

Coarse Widmanstatten structure does not appear in the weld microstructure of Microscopic observation .

采用SEM、TEM及XRD等方法研究了铜锌粉末在不同制备阶段时的金相组织。

The metallographic structures of Cu-Zn powder under different conditions were studied by SEM , TEM and XRD in this paper .

用X射线衍射、光镜和透射电镜对表层变形层金相组织、晶粒尺寸、显微硬度进行分析。

The surface layers are characterized by means of the optical microscope , X ray diffraction , transmission electronic microscope , and micro hardness testing machine .

通过检测化学成分、宏观断口及金相组织等，对锅炉省煤器U形管裂纹进行了分析。

The crack reasons of the boiler economizer U shape tube were analyzed by means of chemical analysis , fractography and metallography examination .

采用X射线衍射分析、金相组织观察和透射电镜等技术手段，研究了Er对1420合金板材织构的影响。

The influence of trace rare earth element Erbium on the texture of 1420 alloys was investigated by X-ray diffraction , optical microstructure tester and TEM .

金相组织观察表明，Al2O3颗粒分布均匀，与基体的界面结合良好。

Microstructure observation indicates that Al_2O_3 particle is uniformly distributed in the matrix , exhibiting the good bonding in interface .

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 anti-stress-relaxation property of PC steel bar mainly depend on the metallographic microstructure of final products and it has less relative to the steel variety and trademark of raw materials ;

通过对锅炉管爆裂处的金相组织、成分、力学性能、腐蚀产物和供水指标的观测与分析，找出了爆裂的原因。结果表明：供水pH值超标，H~+离子聚集以至形成甲烷气泡并相互连接；

To find the cause of damage , the microstructure in the section of tube crevasse , chemical composition , mechanical properties , corrosion product and water quality were observed and analyzed . index ;

分析了X80级钢的化学成分和金相组织。

It analyses the chemical composition and metallographic structure of grade X80 steel .

利用X射线衍射技术（ODF分析）并结合金相组织观察，对冷轧IF钢在不同退火温度下的再结晶织构演变规律进行了研究。

The development of recrystallization texture in ( Ti + Nb ) - IF steel was studied by X-ray diffraction ( ODF analysis ) combined with optical microscopy .

观察钎缝金相组织和X射线衍射试验发现接头部位出现了固溶体，符合理想钎焊接头的组织要求。

By observing microstructure of brazed joints and X-ray diffraction experiment , it could be determined that parts of a joint solid solution were in line with the ideals of brazed joint request of the organization .

通过宏观形貌、化学成分、金相组织、力学性能、X射线衍射、扫描电镜观察等分析手段判断出热采注汽管线的最终破裂原因是氢腐蚀造成。

The analysis of macroforms , chemical compositions , metallographic structure and mechanisms performance as well as x-ray and electronic scanner examination have found that the rupture of the steam injection pipe was caused by hydrogen corrosion .

采用反算法对相变热焓进行计算并与综合热分析仪（DSC）实验结果相对比，并且对恒速冷却试件与实际空冷试样进行金相组织观察对比。

The result was compared to experimental results calculated with a comprehensive thermal analysis instrument ( DSC ), and the metallurgical structure in test pieces cooling in constant-speed was examined .

通过电子扫描电镜及X射线衍射仪对其金相组织进行定性、定量分析，研究热处理参数与残余奥氏体体积含量、奥氏体含碳量的关系。

Their metallographic structures were qualitatively and quantitatively analyzed by scanning electron microscope and X-ray diffraction method . And the relationships among heat treatment parameters , content of retained austenite and carbon content of retained austenite were studied .

本文首先分析了BT20钛合金的金相组织。

In this paper the metallograph of BT20 titanium alloy is analyzed .

进行了金相组织检查，显微硬度测定，X射线结构分析，磨损试验与渗氮层氧含量测定。

By microscopic examination , microhardness determination , X ray diffraction phases structures analyses , combined with the experimental works on wear resistance and determination of hydrogen content , the influence of the atmosphere on the nitrided layer was ascertained .

高铬铸铁、100V钢及镍基合金的金相组织及耐磨性能

Microstructure and Wear Resistance of High Chromium Cast Iron , 100V Steel and Nickel Base Alloy

在纯铜中加入Zn和稀土元素La，通过双电桥测试电阻、拉伸和硬度实验及金相组织观察，研究不同含量的Zn和稀土La对铜的导电性、抗拉强度、硬度、金相组织的影响。

The conductivity , strength and hardness of the copper material with addition of the metal Zn and rare-earth element La are investigated by electricity resistance measurement with double bridge circuit , tensile test and hardness measurement .