Test data show that steel 102 has superior stability of microstructure and creep strength.
试验数据说明，102钢具有良好的组织稳定性和稳定的热强性。
According to microstructure and the results of hardness test, appropriate adjustment of heat treatment could promote fatigue lift of spring steel.
根据显微组织和硬度检测结果，适当调整热处理工艺，可进一步提高弹簧的疲劳寿命。
The properties and microstructure were observed and analyzed by the modern test method. Factors that influenced ceramic pore feature and volume density were discussed.
采用现代测试方法测定了样品理化性能，观察分析了样品的显微结构，并探讨了影响多孔陶瓷滤料孔特性和体积密度的诸因素。
The fracture reason of reducer shaft was analyzed by means of morphology and microstructure analysis, chemical composition analysis, mechanical properties test, SEM micro-morphology analysis.
采用宏微观形貌分析、化学成分分析、力学性能测试、SEM微观形貌分析等手段，分析了减速机轴断裂的原因。
Meanwhile the optimal welding parameter which was suitable for welding line impact toughness was gained by analysis on the test result of impact toughness and microstructure.
通过对冲击韧性的测试结果与微观组织的分析，确定出使焊缝冲击韧性最佳的焊接工艺参数。
Through the process test, wearing test and microstructure observation and analysis, the convention performance of oxygen-acetylene flame spray welded layer is studied.
通过工艺试验、耐磨试验和显微组织观察分析，研究了氧-乙炔火焰喷焊层的常规性能。
The toughening mechanism of ADI was investigated by microstructure analysis and fracture characteristics of the specimens under tensile test. contact fatigue and stress fatigue.
通过奥贝球铁的单调拉伸加载、接触疲劳和应变疲劳等宏观断裂规律和微观分析，探讨其强韧化机制。
The variation of microstructure and mechanical properties of the welding heat-affected zone of 2090 Al-Li alloy were investigated by means of the welding thermal, simulated and strain cycles test.
采用焊接热模拟试验方法研究了在焊接热循环和应力-应变循环同时作用下，2090铝锂合金焊接热影响区显微组织和力学性能的变化特征。
Effects of tin on the microstructure and mechanical properties of ZA62 alloys were investigated using optical microscopy, XRD analysis and tensile test.
采用金相显微镜、X射线衍射仪等分析测试手段，研究了锡对ZA62合金显微组织及力学性能的影响。
The slabs with these cracks were analyzed by means of high temperature plasticity, macrostructure, microstructure and inclusion test.
对有裂纹的连铸板坯进行了高温塑性试验、低倍、金相组织和夹杂物分析。
The effects of plastic deformation prior to artificial aging on the microstructure and tensile properties of 2197 Al-Li alloy were investigated through tensile test, SEM and TEM.
通过力学性能测试，扫描电镜、透射电镜观察等手段，研究了固溶淬火后不同程度预变形对2197铝锂合金力学性能及显微组织的影响。
Influence of electric field on the age hardening curve and microstructure of 2e12 aluminum alloy have been investigated by means of hardness-test and transmission electron microscopy (TEM).
通过硬度测量和TEM分析的方法研究了电场对2e12铝合金时效硬化曲线和微观组织的影响。
The microstructure and properties of two-step aged 7b04 aluminum alloy pre-stretched thick plate were investigated using TEM, tensile and electrical conductivity test.
研究了双级时效处理对7b04铝合金预拉伸厚板的组织和性能的影响。
By means of chemical composition analysis, mechanical property test and microstructure examination, the results showed that this defect was result of rough surface and not the crack existed in matrix.
采用化学分析、力学性能试验和金相检验等方法对该裂纹进行了分析。结果表明，此缺陷是由于试验环原始表面的粗糙度过大造成的。
Some defects have been found in the slab structure by comparison with normal slab in microstructure through microcosmic test.
通过低倍及微观检验观察，将发生低温开裂的铸坯与正常铸坯进行微观组织对比，找出铸态组织中存在的缺陷。
The cracking encapsulated roller in use was analyzed by means of chemical composition, macrostructure and microstructure examination and mechanical property test.
采用化学成分分析、宏观和微观组织检验以及力学性能测定等方法对在使用过程中发生开裂的包胶辊进行了分析。
The effect of ultrasonic degassing under different time of A356 Aluminum alloy is studied by using vacuum decompress test, and the effect of ultrasonic field on the solidification microstructure.
以a356合金作为实验材料，通过真空减压试验考察超声场对金属气体去除效果的影响，研究超声场对铝合金凝固组织的影响。
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。
Chemical composition analysis, mechanical property test and microstructure examination were used to analyze the early fracture of power plant's turbine main oil pump shaft.
采用化学分析、力学性能测试和金相检验等手段，对某电站汽轮机主油泵轴的早期断裂进行了分析。
The microstructure and mechanical properties of the as-cast and hot-rolled samples were investigated by optical microscope, X-ray diffraction, scanning electron microscope and tensile test.
利用X-射线衍射仪、光学显微镜、扫描电子显微镜和拉伸试验研究了铸态合金和轧制态合金的组织和力学性能。
The welding process of converter ring was studied. By means of tensile and impact test, fractures and microstructure analysis, the evaluation of the welding process was made.
研究了转炉托圈的焊接工艺，结合拉伸试验、冲击试验、断口和金相组织分析，进行了焊接工艺的评定。
Through hardness test, impacting test, SEM of failure surface and microstructure observation, the relationship between the toughness and its microstructure of welding joint of T92 steel was studied.
通过硬度试验、冲击试验、断口扫描和金相组织观察，研究了T92钢焊接接头的韧性与组织的关系。
Mechanical property and microstructure of T91 steel pipe joint with TIG welding on different high-temperature test process was researched.
采用不同的高温试验工艺对T91钢管的TIG焊接头进行处理，分析TIG焊接头在力学性能和显微组织上的差异。
The microstructure and hardness of the layer of H13 tool steel gas-nitrided in different heat treatment conditions were studied by X-ray, SEM and micro-hardness test.
采用X射线衍射、扫描电镜及显微硬度等技术，综合比较和分析了H13模具钢在不同热处理状态下经相同气体渗氮处理后表层的组织结构和硬度。
The effects of aging treatment on the microstructure and tensile properties of 2A97 Al-Li alloy, were investigated by tensile test and TEM.
通过拉伸测试和透射电镜分析，研究时效温度和时间对2A97铝-锂合金组织和性能的影响。
Through the microstructure observation and hardness test of extrusion specimen, the grain refinement effect of AZ31 magnesium alloy under ECAP process was studied.
对挤压后的试样进行显微组织观察、硬度测试，研究等通道挤压工艺（ECAP）对AZ31镁合金的晶粒细化效果。
Through the microstructure analysis and residual stress measurement on a quenching test-piece, the feasibility of the numerical simulation is proved.
通过对淬火试件进行金相组织分析和残余应力测量，验证了数值模拟的可行性。
The solvent resistance property test revealed that multi-crosslink PU changed the microstructure, improved the solvent resistance property.
耐溶剂性能测试说明：多交联聚氨酯材料能够改变均一聚氨酯材料的微相结构，改善耐溶剂性能。
Through the observation of microstructure, high temperature oxidation test, volume growth and thermal fatigue test, the high temperature heat-resistance of low chromium ductile iron was studied.
通过显微组织观察、高温氧化性试验、生长试验以及热疲劳试验研究了低铬球墨铸铁的高温耐热性能。
Through the observation of microstructure, high temperature oxidation test, volume growth and thermal fatigue test, the high temperature heat-resistance of low chromium ductile iron was studied.
通过显微组织观察、高温氧化性试验、生长试验以及热疲劳试验研究了低铬球墨铸铁的高温耐热性能。
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