堆焊层
- 网络overlay;weld overlay;cladding;hardfacing
![堆焊层](../cache/1415679.jpg)
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Fe3Al合金堆焊层的高温热腐蚀行为研究
Hot Corrosion Behavior of Fe_3Al Overlay at High Temperatures
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充氢后的堆焊层经630℃×4h去氢处理可消除氢脆现象,使塑韧性恢复。
After dehydrogenation at 630 ℃ for 4 hours , the ductility and toughness of the overlay which was initially charged with hydrogen is recovered and hydrogen embrittlement is eliminated .
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激光重熔Co基合金堆焊层的组织和性能
Study on microstructure and property of Co-based alloy by laser remelting
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并对堆焊层进行了显微组织、X射线衍射分析、硬度及抗裂性能试验。
Optical metallography , scanning electron microscope , X-ray diffraction , hardness measuring and the crack resistant property were investigated .
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交流TIG电弧粉末堆焊层成形特点的研究
Formation characteristics of AC TIG arc powder surfacing layer Powder Coating
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Fe对NiAl金属间化合物光束堆焊层成形及组织结构的影响
Effect of Fe on the Formation of NiAl Intermetallic Light Beam Surfacing Layer and Its Microstructure
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TIG表面重熔对堆焊层耐空泡腐蚀的影响
Effect of TIG surface remelting process on cavitation erosion resistance for a pre-weld buildup layer
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A3、45钢堆焊层金属显微组织及性能研究
Microstructure and Performance of Surfacing Welding Layer Metal of A3 and 45 Steel
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通过药芯焊丝配方的设计,结合TIG焊接方法,对堆焊层的耐磨性进行了研究。
The wear resistance of surfacing layer was investigated by the design of flux-cored wires and TIG welding method .
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Fe-Al合金堆焊层的组织和性能研究
Study on Microstructure and Property of Fe-Al Alloy Clad Metal
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高碳Nb-Ti-V系Fe基堆焊层中C/S界面结构
Study on C / S interface in Fe based high carbon Nb-Ti-V alloyed surfacing welding layer
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Fe-Al合金堆焊层的显微组织
Microstructure of Fe-Al alloy surfacing metal
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Ni-Al系金属间化合物光束堆焊层的成形及析出相特征
Formation and precipitation phases of Ni-Al System Intermetallic surfacing layers by light beam heating
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结果表明,由于形成弥散的MC型碳化物第二相及强韧的基体,Fe–Cr–Ti–Nb–V–C系堆焊层金属具有良好的耐磨性。
It was indicated that the welding deposited metal of Fe-Cr-Ti-Nb-V-C alloy system showed good wear resistance due to the formation of dispersed MC type carbides and tough low carbon martensite matrix .
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但堆焊层中的碳化物(Cr、Fe)7C3会随着温度的升高,有部分溶解,同时基体中析出Cr(23)C6,和其它碳化物共同提高堆焊层的高温耐磨性。
Meanwhile , Cr_ ( 23 ) C_6 can be also separated from the matrix , which may raise the wear-resistance of surface layer at high temperature together with other carbides .
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利用扫描电镜和透射电镜观察、分析了高碳NbTiV系堆焊层中颗粒碳化物与固溶体间的界面(Carbide/SolidSolution简称C/S界面)结构。
The C / S interface ( interface between particulate carbide and solid solution ) was investigated in Fe based high carbon Nb-Ti-V alloyed surface welding layer by means of SEM and TEM .
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试验表明,Co合金的TIG堆焊层和TIG表面重熔层都具有优良的耐空蚀性能,且TIG重熔层耐空蚀性能略有提高。
As shown in the experiment , both TIG cladding Co alloy layer and TIG remelting Co alloy layer have excellent cavitation erosion resistance , and the remelting layer was slightly better .
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分析了堆焊层的组织及性能,探讨了采用不同焊接材料进行高锰铸钢MAG焊的可行性。
The microstructures and properties are analyzed . A reliable MAG surface processing technology for high manganes cast steel with different welding materials is studied .
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利用自行改装的XJ-16型金相显微镜测量了核承压设备堆焊层AISI308不锈钢材料的蚀坑深度。
The depth of pitting occured in AISI 308 stainless steels is measured by using the modified XJ 16 metalloscope .
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根据噪声、材料杂波、裂纹回波、楞边回波等在Cα空间中Lipschitz常数α的差异提出了在不锈钢堆焊层下裂纹的超声检测信号模型。
A model is developed for the ultrasonic signal testing on under clad crack of stainless steel , by analyzing Lipschitz α of material noise , crack wave and edge reproduced wave in C a space .
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HM3焊条堆焊层组织及性能
Structures and Properties of Cladding Layer by HM3 Electrode
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应用Matlab语言及其神经网络工具包,通过BP神经网络,对WRS型金属基陶瓷药芯焊条堆焊层耐磨性进行模拟和预测。
This paper adopts Matlab language and its ANN toolbox , with BP ( Back-Propagation Network ) neural network , to simulate and forecast the wear ability of surfacing layer using the WRS type ceramal flux-cored electrode .
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本文采用廉价钛铁、铌铁和含碳材料等.以焊条药皮合金化,通过电弧冶金反应,获得含TiC、NbC超硬质相的堆焊层。
Using low cost titanium , niobium ferroalloys and carbon containing ingredient , through alloying by the coating of the electrode , an overlay containing TiC , NbC super hard phases has been obtained .
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Fe-Cr-Ti-Nb-V-C系堆焊层的组织及耐磨性研究
Microstructure and Wear Resistance of Welding Surfacing Layer of Fe-Cr-Ti-Nb-V-C Alloy System
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高碳Nb-Ti-V堆焊层中碳化物的特殊效应
Specific effect of carbides in high-carbon surfaced layer alloyed with Nb , Ti and V
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试验结果表明,这种一步性原位合成工艺所获得的堆焊层主要由针状TiB2晶须与Fe及其硼、碳化合物组成,陶瓷层与基体间实现了冶金结合;
The results showed that the ceramic coatings mainly consisted of the TiB_2 whisker and the chemical compound of Fe , C and B , and the coatings and the matrixes were metallurgical bonded ;
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在镍基合金中加入与其相互润湿的金属陶瓷相(镍包WC),并控制其加入量可获得无缺陷的、更高硬度的复合堆焊层。
When adding wettable ceramics ( WC with Ni coating ) with Ni based alloy and controlling the content of WC with Ni coating , the high quality of surfacing layer with higher hardness can be acquired .
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磨损试验结果表明:Q235钢板表面的耐磨性得到了提高,且随堆焊层硬度的增加,其耐磨性增强。
The wear testing results indicated that the wearability of welded coat was improve & With increase of the hardness , the coat was more wearable .
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Cr-Mn-W-Mo铁基堆焊层抗热疲劳性和抗氧化性
Thermal Fatigue Resistance and Oxidation Resistance of Ferro-base Surfacing Deposits with Cr-Mn-W-Mo Alloys
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在Na2SO4腐蚀环境下,Fe3Al堆焊层合金的抗腐蚀性甚至要高于18-8不锈钢。
Hot corrosion resistance of Fe_3Al overlayer is even better than that of 18-8 stainless steel in Na_2SO_4-induced hot corrosion .