您要查找的是不是:
- spray weld joint coating 喷涂补口
- weld joint coating 补口
- Mainly used in coating the weld joint of buried steel pipeline and insulated pipeline. 主要用于埋地钢质管道现场焊接补口和保温管线现场补口;
- Liu Xi.Analysis of Binding Strength of Spray Weld Coating Influenced by Technological Parameter of Oxyacetylene Spraying[J].China Mechanical Engineering,1996,7(3):96-98. [9]刘曦.;氧乙炔火焰喷焊工艺;参数对喷焊层结合强度影响的分析[J]
- Surface thermal spray weld process with alloy powder is a new technology of surface protecting and hardening. 合金粉末表面热喷焊技术是一种新的表面防护和强化工艺。
- Keywords Oxyacetylene spray weld;Self-melt alloy;Coat design; 氧乙炔火焰喷焊;自熔性合金;涂层设计;
- Microporosity in thermite weld joint consiste of blow hole and shrinkage cavities. 氧或硅含量过高形成氧化物或硅酸盐;
- By mea ns of wear resistance test, it is showed that the weight losing percent of spray welding coating only was 1/6 of high C and Cr cast iron and 1/11 of ZGCr5Mo ste el. 喷熔层的磨损失重率只是高碳高铬铸铁的 1 /6倍,是ZGCr5Mo耐磨钢的 1 /11倍。
- The distribution and for-mation of metullic-compound (dissociation) can makes the hardness of spray welding coating increase andreduce, but it makes the wear resistence increase. 金属化合物(游离状)的分布与形态改变;既可提高也可降低喷焊层硬度,但是提高了耐磨性。
- The corrosion behavior of austenite stainless steel weld joint in the different acidic medium was studied. 研究了奥氏体不锈钢焊接接头在不同酸性介质中的腐蚀行为。
- The test results showed that the oxyacetyleneflame powder spray weld made the structure of the base material corse, or madethe tempering sorbite of the original steel become the corse pearlite and blockferrite decreasing greatly the hardness. 结果表明,火焰粉末喷焊使基体组织粗大,原淬火钢的回火索氏体,变成粗大的多相混合组织,硬度大大降低。
- end-to-end joint coating for pipeline weld 内防腐补口
- 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。
- By means of spray weld alloy powder alloying of casting surfaces has come true in spraying and coating-cast technology. 本文应用喷焊合金粉末,采用喷熔、涂铸、熔铸工艺方法使铸铁件表面合金化,硬度、耐磨性提高。
- Using the modulated laser beam to weld plastics simultaneously, the figure of ideal weld joint was identical with the desired one. 利用调制完成后的激光束对塑料进行同步焊接,得到理想焊缝与预知焊缝形状相同的结果。
- MICROSTRUCTURE OF SPRAY WELD COATING ON SMOOTH EDGE OF MOWER BLADE 割草机光刃动刀片喷焊层的微观结构研究
- A composite coating was prepared by oxygen and acetylene thermal spray welding using the powders composed of Ni-based powder and nano-Al 2O 3,sub-micron-Al 2O 3,micron-Al 2O 3.The effects of the load and time on abrasive resistance were studiesd. 将微米级、亚微米级、纳米级 3种粒度的Al2 O3 与Ni基自熔性合金制成复合粉末后 ,用氧乙炔焰热喷焊工艺制备出复合涂层 ,研究了载荷大小、磨损时间等对涂层耐磨粒磨损性能的影响。
- Weldbonding experiments were performed and the results show that weldbonding technique can improve the strength and fatigue life of the weld joint. 同时参考分析结果进行粘接点焊的试验研究,表明粘接点焊可以显著提高结构的强度和疲劳寿命。
- In this paper,the results show that rare-earth element can lead up to the diminution and even disap-pearance of the bright field and arborescent structure in the spray welding coating. 本文研究表明,稀土使喷焊层组织中亮白区和树枝状晶区减薄或消失;
- The technique parameters include size of facula,scanning speed,cladding sector and times,adding quantity of powder,thickness of coating and quantity of joint coating. 总结了稀土添加剂的强化作用机制,其主要作用为微合金化、净化晶界、细化晶粒、改善晶界状态、抑制柱状晶生长。