堆焊层

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

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 .

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

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 .

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

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

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

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

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 .

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

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

Fe-Al合金堆焊层的显微组织

Microstructure of Fe-Al alloy surfacing metal

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

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 .

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 .

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 .

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 .

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 .

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 .

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 .

HM3焊条堆焊层组织及性能

Structures and Properties of Cladding Layer by HM3 Electrode

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 .

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 .

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

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

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 ;

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 .

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 .

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

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 .