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| 1 | Research on the Mechanism of Penetration Increase by Flux in A-TIG Welding显示文摘The mechanism of penetration depth increased by activating flux in activating tungsten inert gas (A-TIG) weldingwas studied by measuring the distribution of trace element Bi in the weld and monitoring the change of arc voltageduring A-TIG welding of stainless steel 0Crl8Ni9 with fluxes SiO2 and TiO2. The results show that the mechanismof penetration depth in A-TIG welding depends on the sort of flux used. The weld pool convection after coating theflux SiO2 and flux TiO2 is changed inversely compared with convectional TIG welding without flux. The arc voltageis increased by flux SiO2 whilst flux TiO2 does not have effect on the arc voltage. The reason of penetration depthincrease for SiO2 is due to the constriction of arc plasma and the change of surface tension gradient. The increaseof weld penetration depth with TiO2 only ascribes to the change of surface tension gradient. | Chunli YANG Sanbao LIN Fengyao LIU Lin WU Qingtao ZHANG | 2003 | Journal of Materials Science & Technology2003，19，z1： | 8 |
| 2 | Strength Prediction of Aluminum–Stainless Steel-Pulsed TIG Welding–Brazing Joints with RSM and ANN显示文摘Pulsed TIG welding–brazing process was applied to join aluminum with stainless steel dissimilar metals. Major parameters that affect the joint property significantly were identified as pulsed peak current, base current, pulse on time,and frequency by pre-experiments. A sample was established according to central composite design. Based on the sample,response surface methodology(RSM) and artificial neural networks(ANN) were employed to predict the tensile strength of the joints separately. With RSM, a significant and rational mathematical model was established to predict the joint strength.With ANN, a modified back-propagation algorithm consisting of one input layer with four neurons, one hidden layer with eight neurons, and one output layer with one neuron was trained for predicting the strength. Compared with RSM, average relative prediction error of ANN was \10% and it obtained more stable and precise results. | Huan He Chunli Yang Zhe Chen Sanbao Lin Chenglei Fan | 2014 | Acta Metallurgica Sinica(English Letters)2014，27，6： | 6 |
| 3 | Research on droplet transfer in oscillating arc narrow gap GMA welding显示文摘 | Xu Wanghui Fan Chenglei Lin Sanbao Yang Chunli | 2014 | China Welding2014，23，2： | 5 |
| 4 | Microstructure Evolutions and Properties of Al-Cu Alloy Joint in the Pulsed Power Ultrasonic-Assisted GMAW显示文摘The pulsed power ultrasonic-assisted gas metal arc welding(PU-GMAW)is a new development hybrid welding method.The influences of the pulsed power ultrasonic on the microstructure evolution of the welded joint of Al-Cu alloy were investigated by using scanning electron microscopy,transmission electron microscope and electron back scattering diffraction.The results showed that the efficient heat input in the PU-GMAW was increased by above 100%compared with the traditional GMAW.The grain and eutectic of the PU-GMAW weld seam were refined compared with that of the GMAW.Cavitation and acoustic streaming induced the dendrite fragmentation(α-Al)and heterogeneous nucleation,which were the main reasons for the grain refinement.The microhardness of the PU-GMAW welded joint was improved compared with that of the GMAW owing to the change of the eutectic and grain. | Chao Chen Chenglei Fan Zeng Liu Xiaoyu Cai Sanbao Lin Yimin Zhuo | 2020 | Acta Metallurgica Sinica(English Letters)2020，33，10： | 1 |
| 5 | Spreading behav- ior and microstructure characteristics of dissimilar metals TIG'weld- ing-brazing of aluminum alloy to stainless steel显示文摘 | Song Jianling Lin Sanbao Yang Chunli | 2009 | Materials Sci- ence and Engineering A2009，509，12： | 1 |
| 6 | Ultrasonic wave assis- ted GMAW显示文摘 | Fan Yangyang Yang Chunti Lin Sanbao | 2012 | Welding Journal2012，91，3： | 1 |
| 7 | Mechanical properties of welded joints in vertical-up variable polarity arc welding of 2219 aluminum alloy显示文摘 | Yang Chunli Guo Lijie Lin Sanbao | 2005 | Transactions of Nonferrous Metals Society of China2005，2，： | 1 |
| 8 | Effect of welding speed on the material flow patterns in friction stir welding of AZ31 magnesium alloy显示文摘The clear zigzag-line pattern on transverse cross sections can be used to explain the formation mechanism of the weld nugget when friction stir welded AZ31 magnesium alloy without any other insert material is used as mark. It provides a simple and useful method to research the joining mechanism of friction stir welding. The rotation speed is kept at 1000 r/min and the welding speed changes from 120 mm/min to 600 mm/min. The macrostructure on the transverse cross section was divided into several parts by faying surface. The results show that the shape and formation procedure of the weld nugget change with the welding speed. There are two main material flows in the weld nugget:one is from the advancing side and the other is from the retreating side. A simple model on the weld nugget formation of FSW is presented in this article. | ZHANG Hua Wu Huiqiang Huang Jihua LIN Sanbao WU Lin | 2007 | Rare Metals2007，26，2： | 1 |
| 9 | Dissimilar metals TIG welding-brazing of aluminum alloy to galvanized steel显示文摘 | Lin Sanbao Song Jianling Ma Guangchso | 2009 | Frontiers of Materials Science in China2009，3，1： | 1 |
| 10 | Friction stir welding of AZ31 magnesium alloy显示文摘 | Lin Sanbao Zhang Hua Wu Lin | 2003 | China Welding2003，2，： | 1 |
| 11 | Optimization of filler metal during superalloy-stainless steel arc brazing显示文摘According to the specification of superalloy-stainless steel arc brazing and characteristic of the base metal,a best filler metal which has relative lower melting point,nice wettability,good weld forming,and adequate shear strength was researched.The experiment results show that wettability of CuFeMn on the stainless steel is very poor,concomitant with a mass of purple soot during the welding which deteriorates the working condition.CuSiMn has the best wettability on both the superalloy and stainless steel,but there remains a lot of pit and slag on the surface of the weld bead.Copper-based solder has the highest melting point and its wettability and clearance fillability are weaker than CuSi3.Wettability and clearance fillability of the CuSi3 are the best in all the candidate filler metals,and its weld is smoothness and has higher shear strength.For its comprehensive ability,CuSi3 is selected as the final filler metal. | FAN Chenglei,LIN Sanbao,YANG Chunli,and SONG Jianling State Kay Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology,Harbin 150001,China | 2007 | Rare Metals2007，26，S1： | 0 |
| 12 | Effect of TiO2 Addition on Slag Resistance of Lightweight Corundum-spinel Castables显示文摘Five lightweight castables containing different Ti O_2 additions were prepared by using porous corundum-spinel( Mg Al_2 O_4) ceramics as aggregate. Corrosion of the lightweight castables by ladle slag was conducted using a static crucible test. The effect of the Ti O_2 addition on the slag resistances of the lightweight corundum-spinel castables was investigated through SEM,EDS and FactSagesoftware,etc. It was found that Ti O_2 additive promoted the sintering degree of the castables,decreased the average pore size,the apparent porosity,and the contact area between the castables and slag,and then enhanced the corrosion resistance. However,Ti O_2 additive decreased the viscosity of the penetrated slag simultaneously,and then deteriorated the penetration resistance. | MA Sanbao YAN Wen LIN Xiaoli ZHOU Wenying | 2017 | China's Refractories2017，26，4： | 0 |
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