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ANODIC PROCESSES FOR ELECTROWINNING OF Sb FROM JAMESONITE CONCENTRATE

ZHAO Ruirong JIANG Hanying QIN Yihong ZENG Zhenou YANG Jiyue Central South University of Technology , Changsha , China ZHAO Ruirong , Associate Professor , Dept.of Chemistry , Central South University of Technology , Changsha 410083 , China

金属学报(英文版)

The anode reaction and current density of the electrowinning of Sb from jamesonite concen- trate have been investigate.High anodic current density seems to be the major reason for high energy consumption,air pollution by alkaline mists in workshop as well as poor quality of deposition.A series of st...

关键词: Sb , null , null , null

A NEW MOLYBDENUM OXIDE PHASE

FANG Zheng ZHANG Pingmin CHEN Xinmin Central-South University of Technology , Changsha , China FANG Zheng , Associate Professor , Dept.of Chemistry , Central South University of Technology , Changsha 410083 , China

金属学报(英文版)

A new molybdenum oxide phase which exists in bomb combustion products of Mo was found. It has been determined that this phase is a transformed MoO_3 of triclinic system.One set of its lattice parameters was also determined from the X-ray diffraction data as α=0.4049± 0.0001 nm,b=0.5079±0.0003 nm,c=1...

关键词: Mo oxide , null , null

ON THE STABILIZATION OF THERMOELASTIC MARTENSITE IN A Cu-Zn-Al ALLOY

WANG Mingpu , LIU Jinwen Central South University of Technology , Changsha , China Lecturer , Dept.of Materials Science and Engineering , Central South University of Technology , Changsha 410083 , China

金属学报(英文版)

The stabilization of thermoelastic martensite in a rapidly solidified Cu-Zn-A1 alloy is be- lieved to be the process of disordering in atomic configuration during which the structure of martensite gradually transforms into N9R(b/a=1/3~(1/2))from M18R.This is dependent upon the intrinsic decompositio...

关键词: Cu-Zn-Al alloy , null , null , null

STABILITIY OF MARTENSITE IN Cu-Zn-Al SHAPE MEMORY ALLOY AFTER DIRECT OR STEPPED QUENCHING

LU Xiaoye Central south University of Technology , Changsha , China Lecturer , Dept.of Materials Science and Engineering , Central South University of Technology , Changsha 410083 , China

金属学报(英文版)

The stability of thermoelastic martensite in a Cu-14.84 wt-%Zn-7.75 wt-%Al shape mem- ory alloy with M_s=106°C after direct quenching or stepped quenching has been investigated by using TEM,X-ray diffroctometer and double electric bridge instrument.The martensite aged for about 3 h at room temperatu...

关键词: Cu-Zn-Al alloy , null , null , null

SYNTHESIS OF TiAl+TiB_2 COMPOSITE AND-ITS THERMAL STABILITY

QU Xuanhui HUANC Baiyun LEI Changming CHEN Shiqi Central South University of Technology , Changsha , China professor , Powder Metallurgy Research Institute , Central South University of Technology , Changsha 410083 , China

金属学报(英文版)

Synthesis process of a TiAl+TiB_2 composite from the elemental powders was studied by means of differential scanning calorimetry and X-ray diffractometry.TiB_2 particles may form in TiAl matrix at temperature even below 700℃ owing to the exothermic reactions between Ti and Al powders.TiB_2 particles...

关键词: TiAl alloy , null , null , null

BEHAVIORS OF Sb,Sn AND As IN LEACHING AND ELECTROWINNING FROM JAMESONITE CONCENTRATE

ZHAO Ruirong JIANG Hanying ZENG Zhen'ou QIN Yihong XU Shun Central South University of Technology , Changsha , China ZHAO Ruirong Associate Professor , Dept.of Chemistry , Central South University of Technology , Changsha 410083 , China

金属学报(英文版)

The separating efficiency of Sb from As and Sn in jamesonite concentrate could be improved by changing the composition of leaching solution and other conditions.The related kinetic parameters of electrode reaction were evaluated under discussion on the form of complex ion AsS_3~(3-)in extract and th...

关键词: Sb , null , null , null , null

MASS TRANSFER TO LIQUID-LIQUID INTERFACE

LI Xinhai , YIN Zhoulan(Central-South University of Technology , Changsha 410083 , China)

金属学报(英文版)

Experiments have been done on mass transfer to a liquid-liquid interface on which inert gas bubbles are sparged.To simulate the pyrometallurgy system of melten slag-metal(or matte),aqueous solution-mercury(or zinc amalgam) system was used.The mass transfer coefficients of indicator ions as a functio...

关键词: :mass transfer , null , null

AN APPROACH TO ALL-ROUND SHAPE MEMORY EFFECT IN Ti-51Ni ALLOY

TAN Shusong XU Huibin Technische Universitate Berlin , Germany Professor , Dept.of Materials , Central South University of Technology , Changsha 410083 , China

金属学报(英文版)

A possible mechanism of all-round shape memory behaviour hy help of a physical model pro- posed by Muller has been ascertained.The all-round shape mernory effect can be due to the fact that stress induced martensite of two different orientations is formed during the martensitic transformation in the...

关键词: all-round shape memory effect , null , null , null

材料期刊网

ANODIC PROCESSES FOR ELECTROWINNING OF Sb FROM JAMESONITE CONCENTRATE

A NEW MOLYBDENUM OXIDE PHASE

ON THE STABILIZATION OF THERMOELASTIC MARTENSITE IN A Cu-Zn-Al ALLOY

STABILITIY OF MARTENSITE IN Cu-Zn-Al SHAPE MEMORY ALLOY AFTER DIRECT OR STEPPED QUENCHING

SYNTHESIS OF TiAl+TiB_2 COMPOSITE AND-ITS THERMAL STABILITY

BEHAVIORS OF Sb,Sn AND As IN LEACHING AND ELECTROWINNING FROM JAMESONITE CONCENTRATE

MASS TRANSFER TO LIQUID-LIQUID INTERFACE

AN APPROACH TO ALL-ROUND SHAPE MEMORY EFFECT IN Ti-51Ni ALLOY

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