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Infrared Brazing Zirconium using Two Silver Based FoilsCheng-Han Lee,Ren-Kae ShiueDepartment of Materials Science and Engineering,National Taiwan University摘 要:<正>Ag-based brazing foils,BAg-8(72Ag-28Cu in wt%) and Ticusil?(68.8Ag-26.7Cu-4.5Ti in wt%) were selected to braze Zr.Interfacial AgCu4Zr,CuZr2 reaction layers and Ag-rich matrix dominate......
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Synthesis of ZnS nanoparticles by solid-liquid chemical reaction with ZnO and Na2S under ultrasonic SHE Yuan-yuan(佘媛媛)1, 2, YANG Juan(杨 娟)1, QIU Ke-qiang(丘克强)1 1. School of Chemistry and Chemical... nanoparticles. In the method, ZnS nanoparticles were prepared by reaction of ZnO and Na2S in water with ultrasonic radiation at low temperature. The effects of process parameters on the properties......
J. Cent. South Univ. (2016) 23: 405-412 DOI: 10.1007/s11771-016-3085-1 Mass transfer enhancement for LiBr solution using ultrasonic wave HAN Xiao-dong(韩晓东), ZHANG Shi-wei(张仕伟), TANG Yong(汤勇), YUAN... solar energy with ultrasonic wave, while the mechanism of ultrasonic wave strengthening boiling mass transfer in LiBr solution was also analyzed with experiment. The experimental results indicate......
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Effect of high-intensity ultrasonic field on process of semi-continuous casting for AZ80 magnesium alloy billets ZHANG Zhi-qiang(张志强), LE Qi-chi(乐启炽), CUI Jian-zhong(崔建忠) Key Laboratory...-intensity ultrasonic field, AZ80 magnesium alloy was semi-continuously cast. The effects of ultrasonic intensity on the as-cast microstructures and mechanical properties were investigated. The results show......
disulfide, the decomposed product of thiourea, does not participate the process of gold dissolution and thiourea complex. Species with electro-activity produced in the process of electrode reaction adsorbs...-determining one. Key words: gold; alkaline thiourea; dissolution mechanism _____________________________________________________________ 1 Introduction Dissolution of gold in thiourea solution......
Brazing of Ti2 AlNb Based Alloy with Amorphous Ti-Cu-Zr-Ni Filler王刚1,HUANG Yongjiang2,WANG Guochao2,SHEN Jun2,CHEN Zhihao11. Anhui Key Laboratory of High-performance Non-ferrous Metal Materials... melting point of 1 133 K were synthesized using a melt-spinning method in argon atmosphere. A Ti2 Al Nb based alloy was brazed at 1 153-1 223 K for 600-3 000 s. The effects of brazing temperature(Tb......
Evaluation of thermal sprayed coating using ultrasonic inspection by means of bottom echo back reflection Toshifumi KUBOHORI, Toru ITO, Wahidullah WAHI, Yasuyuki INUI, Toshiro IKUTA... for thermal spray coating becomes more important. For this purpose, we thinned the thickness of the thermal sprayed coating by abrasion with blasting and used ultrasonic inspection by means of bottom......
