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- structure of welded joint 接头组织
- The distribution of residual stress of weld joints is analyzed. 并分析了焊接接头残余应力的分布规律。
- The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied. 摘要研究了超细晶粒钢筋焊接接头的组织和力学性能。
- It's a new method to increase fatigue strength of welded joints and structure by peening toe of weld with ultrasonic peening equipment. 使用超声波冲击焊趾来提高焊接接头及结构的疲劳强度,是一种国际上刚刚出现的新方法。本文对超声冲击方法的试验装置进行了研究。
- The strain-stress distribution rules of welded joint containing a crack on fusion line was analyzed with finite element method. 对熔合线上含裂纹焊接接头,应用有限元方法分析了其应力应变场的分布规律。
- Its a new method to incaease fatgue strength of welded joints and structure by peening toe of weld with ultrasonic peening equipment. 使用超声波冲击焊趾来提高焊接接头及结构的疲劳强度，是一种国际上刚刚出现的新方法：本文对超声冲击方法的试验装置进行了研究。
- Postweld heat treatment not only not improved the fracture toughness of welded joint, but also had the trend of deterioration. 本研究采用的焊后热处理没有改善焊接接头的断裂韧性，还有进一步恶化的趋势。
- The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied. 研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
- Distribution of Mg in melt pool and its effects on mechanical properties of welded joint were investigated by EDX analysis, microhardness test and tensile properties test. 通过对焊缝的能谱分析、显微硬度试验和拉伸性能试验，研究了Mg元素烧损后在熔池内的分布规律及对焊后力学性能的影响。
- Mechanical properties and metallographic structure of different welded joints for duplex stainless steel 2205 were investigated. 摘要研究了双相不锈钢2205在不同焊接工艺时接头的组织和性能。
- The temperature variations of several points on the outside of welded joint are measured by using thermocouples which are spot welded on the surface of the workpiece. 使用热电偶点焊到工件表面的方法对接头部分若干点的温度变化进行了实时测量,并与计算结果进行了对比。
- The effect of the structure of Austenite zone on the performance of gray iron welding joint is studied by means of thermo-simulated test in this paper. 摘要采用热模拟试验方法探讨了灰口铸铁焊接接头热影响区的奥氏体区组织对接头性能的影响。
- To achieve fatigue life prediction of vehicle welded structure during design phase,practical analysis methods are presented by means of fatigue analysis principle and fatigue performance parameter of welded structure of AAR / BS / IIW standard. 为在设计阶段实现车辆焊接结构的抗疲劳设计,在研究AAR/BS/IIW标准的疲劳算法原理和焊接接头疲劳性能参数的基础上,给出基于AAR/BS/IIW标准进行车辆焊接结构疲劳寿命评估的方法和技术路线。
- The project solves the technique difficulties of biomaterial connection, tube-shell mechanical strength, ultrafine kovar glass and leaking of welded joint and the problem of industrialization. 本项目克服了异材连接、管壳机械强度和可伐玻璃细与管壳焊接处漏气的工艺难点，解决了产业化技术问题。
- The microscopic structure of tissue. 组织机构组织的微观结构
- The mechanical properties of EBW joint of Ti-25V-15Cr and Ti-25V-15Cr-XC burn resistant titanium alloys were tested,and the effect of trace carbon(C) in base metal on the properties of welded joint was investigated. 研究阻燃钛合金Ti-25V-15Cr,Ti-25V-15Cr-XC的电子束焊接头性能,对比分析母材中微量碳(C)对焊接接头性能的影响。
- We know a lot about the structure of genes now. 如今我们对基因的结构有了较多的了解。
- The structure of the sentence is strange. 这个句子的结构很奇怪。
- The aim of this paper is to quantitatively analyze and measure graphitizing structure of carbon-steel microstructure in welded joints using well-established technology of computer science. 本课题的目的就是利用成熟的计算机技术和相关的图像处理方法, 对石墨化组织进行定量的分析和测定。
- Circumferential Welds : All pipe sizes: Every 30th weld completed or every 15M of weld joint, whichever is most frequent. 环焊缝：所有管道尺寸：每完成第30条焊缝或每15米焊接接头，取最常出现的。
