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- The composition and microstructure of intermetallic compound layer and fracture surface after thermal cycling test were analyzed by scanning electron microscope (SEM) with EDX. 通过带有能量散射X射线能谱仪(EDX)的扫描电镜(SEM)对热循环测试后焊点金属间化合物(IMC)层和推拉测试后的断裂面进行了形貌、结构和组分的观察及分析。
- Effect of Thermal Cycling Test on the Properties of TATB Based PBX 热循环对TATB基高聚物粘结炸药性能的影响研究
- The thermal shock and thermal fatigue behaviors as well as their controlling factors of ZrO 2-Ni functionally graded material (FGM) were studied by thermal shock and thermal cycling tests. 通过抗热震参数分析和热循环试验研究了ZrO2 -Ni功能梯度材料 (FGM )的热冲击与热疲劳行为及其影响因素 .
- Analysis of sress-strain in soldered joints and optimiaation of temperature profile of the HALT thermal cycling test 焊点热应力应变分析与HALT热循环温度剖面图优化
- Small mock-upsof divertor plate were made by hot isostatic press welding,and the surface material is tungsten.A thermal cycling test was carried out for the mock-ups in vacuum; 用热等静压焊接方法制作了钨为表面的模拟偏滤器材料小试样,在真空室中用大功率电子束作为热源进行热疲劳试验。
- Electroplated coatings; testing of electroplated plastic articles; thermal cycling test 电度层。电镀塑料件的检验。温度交变检验
- thermal cycling test 热循环试验
- The Problem of Moisture Deposition in Thermal Cycle Test for Unsealed Subsystem 非密封性分系统热循环试验中的防结露问题
- Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained. 在热电偶标定测试的基础上,通过实验获得了焊缝热影响区的实际热循环曲线。
- Products and systems for the protection and repair of concrete structures - Test methods - Determination of thermal compatibility - Part 4: dry thermal cycling. 混凝土结构修复和保护的产品和系统.;试验方法
- Pb-free solder;BGA;thermal cycling;dynamic fatigue tests;electrical analysis. 关键词:无铅焊锡;球格阵列构装;冷热循环试验;动态疲劳试验;电性分析
- Tensile strength test and SEM analysis of the soldered joint fralture were carried out to elucidate the effect of thermal cycling on tensile strength and microstructure of QFP soldered joint. 焊点强度试验以及断口SEM分析,初步揭示了热循环对QFP焊点抗拉强度及焊点组织的影响规律。结果表明,裂纹在焊点内侧钎料与焊盘界面处产生。
- Products and systems for the protection and repair of concrete structures - Test methods - Determination of thermal compatibility - Part 3: thermal cycling without de-icing salt impact. 混凝土结构修复和保护的产品和系统.;试验方法
- Thermal expand coefficient of polyimide films at each temperature was measured in the process of thermal cycling. 摘要测量了聚酰亚胺薄膜在冷热循环过程中各温度点的热膨胀系数。
- Heating system guarantees the drying of glass because of adopting thermal cycling wind. 采用风机的热循环风,并有加热系统保证了玻璃的干燥度。
- As a result of repeated thermal cycling, fatigue cracks developed in the solder interconnects. 随着热循环周数的增加,焊点中出现疲劳裂纹。
- monitored thermal cycle test 监控热周期试验
- A multi-system lumped heat capacity analysis has been adopted to simulate the thermal cycling of the micro chamber PCR chip. 本文采用多体系集总热容法分析了微腔型PCR芯片的热循环过程,研究了芯片的温度变化规律,并提出了芯片功耗的预测方法。
- Therelation of bagging strength and bagging height is correspondence with therule of index, the maximum arching strength and remaining bagging heightare stabilized after three cycling test. 竹原纤维针织物起拱力与起拱高度的关系呈现指数变化规律,定拱高起拱时的最大起拱力和残余拱高,经过三次循环试验后,都趋向于稳定。
- Thermal cycling absorption process(TCAP) in a full reflux mode was studied at different feeding ratios,feeding places and heating/cooling temperatures. 分别在不同进料比、进料位置、加热/冷却温度的条件下,对TCAP工艺的全回流模式进行了实验。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries