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- Machining for Nickel-Based Alloy Spray Welding Layer 镍基合金喷焊层的切削加工
- 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。
- Influence of Rare Earth on Wearability of Spray Welding Layer 稀土对喷焊层耐磨性能的影响
- Keywords flame spray welding;spray welded layer;abradability;microhardness; 火焰喷焊;喷焊层;耐磨性;显微硬度;
- A further Study for the Turney of the Thermal Spraying Weld Layer 热喷涂焊层车削加工工艺的探讨
- Corrosion Resistance of Nickel-Base Alloy Spray Welding Layers after Undergoing Weld Thermal Cycle 带喷焊层钢管焊接接头热影响区耐蚀性能的研究
- spray welded layer 喷焊层
- 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。
- Plasma arc thermal spray welding is a kind of surface harden engineering by taking plasma arc as themal resource and certain alloy power as additive. 等离子弧热喷焊技术是一种以等离子弧为热源,以一定成分的合金粉末作为填充金属的表面强化技术。
- 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。
- For this, the thermal spray welding process with alloy powder was adopted to make reinforcing treatment to the easy_wearing part of the mould, from which good result was achieved. 玻璃镜片压制模由于工作条件恶劣,导致使用寿命低,为此,采用合金粉末热喷焊工艺对易磨损部位进行强化处理,收到了良好的效
- 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。
- In this paper,the effects of rare earth(RE) and chromium on the high temperature oxidation resistance of iron base fluxing alloy spray welding coatings is reported. 本研究着眼于用稀土对价格低廉的铁基自熔合金粉末进行改性,以提高其抗高温氧化性能。
- Meanwhile, alloying agents can form carbides, so the hardness of bead welding layer is increased. 同时又由于合金元素能形成碳化物,因此提高了堆焊层的硬度。
- A test of arrosion performance of anticorrocive built-up weld layer in different meeiums was con-ducted by using a self-made arrosion testing machine. 用自制的腐蚀磨损试验机对耐蚀堆焊层在不同介质中的腐蚀磨损性能进行了试验，结果表明：腐蚀介质不同，堆焊层的磨损速率也不同。
- After anticorrosion metal-power spray welding was carried out for prevention of corrosion,the matched anticorrosion electrode is used to make backing weld.The new process can replace the traditional process wi th internal repaired mouth. 管道焊前对管端进行耐蚀金属粉末喷焊防腐，然后采用与之匹配的耐蚀焊条打底焊，从而取代焊后焊接区内补口防腐的传统施工工艺，达到了管道焊后可不再进行内补口防腐。
- 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。
- 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。
- 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;
- 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。
