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toughness of stainless steel. Key words: W film; stainless steel; Charpy impact test CLC number: TH140.7; O484.5; TF125.2 Document code: A J]. J Nucl Mater, 2003, 321: 152-157. [2]HUANG N K, YANG B, XIONG Q. Behaviors of hydrogen in C......
words: double-sided arc welding; gas tungsten arc welding; TC4 titanium alloy; microstructure CLC number: TG403 Document code: A J]. China Welding, 1994, 3(2): 44-47. [3]McGaughy T. Two new......
. The diffraction patterns of R-phase were obtained in detail from the same region. Key words: Ti-Ni shape memory alloys; R-phase transformation; Ti3Ni4 precipitates CLC number: TG139.6  ... transformation matrix was obtained. The R-phase belongs to the trigonal space group P3. REFERENCES [1]Goo E, Sinclair R. The B2 to R transformation in Ti50Ni47Fe3 and Ti49.5Ni50.5 alloys[J]. Acta......
and the oxidation/corrosion of the active elements reduced. Key words: La-Mg-Ni alloy; Ni/MH batteries; structure; hydrogen storage alloys; p-c-t curve; electrochemical properties CLC number: TG139.7... of a new series of hydrogen storage alloys; RMg2Ni9 (R=La, Ce, Pr, Nd, Sm and Gd) built from MgNi2 Laves-type alternating with AB5 layers [J]. J Alloys Compd, 1997, 257(1-2): 115-121. [2]Kadir K, Sakai T......
; layered structure; nickel-cobalt-manganese oxides CLC number: TM911.1 Document code: A 1 INTRODUCTION... S, Choy J H. Evolution of local structure around manganese in layered LiMnO2 upon chemical and electrochemical delithiation/ relithiation [J]. Chem Mater, 2000, 12: 1818-1826. [2]Ceder G, Mishra S K......
materials bonding can be evaluated by ultrasonic method. Key words: non-destructive evaluation; ultrasonic testing; diffusion bonding; dissimilar material CLC number: TG115 Document code: A 1... formed. REFERENCES [1]Ohashi O. Diffusion bonding [J]. J of JWS, 2000, 69(5): 91-100. (in Japanese) [2]Nagg P B, Adler L. Ultrasonic evaluation of solid-state bonds [J]. Materials Evaluation......
; rare earth; Al+Y powder; microstructure CLC number: TB331 Document code: A 1 INTRODUCTION Mg and its alloy have a wide scope of applications in the field of aerospace and auto industries due... HV224 is achieved in the interface. REFERENCES [1]Mordike B L, Ebert T. Magnesium properties-application-potential[J]. Materials Science and Engineering, 2001, A302: 37-45. [2]Galun R, Weisheit......
alloys; electrochemical properties; recrystallization CLC number: TG139.7 Document code: A 1 INTRODUCTION As the negative material, the MH/Ni batteries using hydrogen storage alloys have been... hydrogen batteries using rare-earth based hydrogen storage alloys[J]. J Alloys Comp, 1992, 180:37. [2]Sakai T, Hazama T, Miyamura H, et al, Rare-earth-based alloy electrodes for a nickel-metal hydride......
; extraction CLC number: TF843.1 Document code: A 1 INTRODUCTION Gallium is a strategically important metal used extensively in high-tech industries[1-3]. Although gallium is relatively... flue dust is leached for 1h at 80℃, mass ratio of liquid to solid 4∶1 and stirring speed 800r/min. REFERENCES [1]Moskalyk R R. Gallium: the backbone of the electronics industry [J]. Minerals......
; neural networks; error function; Hessian matrix; BP algorithm CLC number: TP273 Document code: A  ... and model of fuzzy optimization[J]. Fuzzy System and Mathematics, 1990(2): 87-91. [2] Chen S Y. Multi-objective decision making theory of fuzzy optimal neural networks[J]. Journal of Dalian University......