材料期刊网

Anomalous Phase Transformation from Martensite to Austenite in Fe-13%Cr-4%Ni-Mo Martensitic Stainless Steel

Yuanyuan Song Xiuyan Liy Lijian Rong Yiyi Li

材料科学技术（英文）

The thermal stability of the reversed austenite in a low carbon Fe-13%Cr-4%Ni-Mo (in wt pct) martensitic stainless steel was investigated by X-ray diffraction (XRD) and superconducting quantum interference device (SQUID) magnetometer. Different amount of the reversed austenite was obtained by contro...

关键词: Low temperature , Martensite , Austenite , Phase transformation , Magnetization vs. temperature

Anomalous Phase Transformation from Martensite to Austenite in Fe-13%Cr-4%Ni-Mo Martensitic Stainless Steel

Yuanyuan Song Xiuyan Liy Lijian Rong Yiyi Li

材料科学技术（英文）

The thermal stability of the reversed austenite in a low carbon Fe-13%Cr-4%Ni-Mo (in wt pct) martensitic stainless steel was investigated by X-ray diffraction (XRD) and superconducting quantum interference device (SQUID) magnetometer. Different amount of the reversed austenite was obtained by contro...

关键词: Low temperature , Martensite , Austenite , Phase transformation , Magnetization vs. temperature

Cr改性钒基催化剂对NH3低温选择性催化还原NOx的影响

杨睿 , 黄海凤 , 陈一杰 , 张细雄 , 卢晗锋

催化学报 doi:10.1016/S1872-2067(15)60884-1

火电厂和机动车辆等的NOx排放量与日俱增, NOx的治理已成为环境保护的重要组成部分.以NH3作为还原剂的选择性催化还原(SCR)技术是目前消除NOx最为高效的方法之一.该反应最为典型的催化剂是V2O5–WO3(MoO3)/TiO2,催化活性窗口为250–400 oC.国外通常将SCR系统置于省煤器...

关键词: 低温 , 选择性催化还原 , 氨 , 铬钒钛催化剂 , 烟气脱硝 , 抗硫性 , 铬掺杂

Performance of Sn-Cu Alloy Anode at Low Temperature

Jianguo REN , Weihua PU , Xiangming HE , Chunrong WAN , Changyin JIANG

材料科学技术（英文）

Sn-Cu alloy anode was prepared by pulsed electrodeposition for lithium ion batteries, and its electrochemical performance was tested at low temperature. When temperature decreased from 25℃ to -20℃, the Sn-Cu alloy anode provided the capacity retentions of 76% in the electrolyte of 1 mol/L LiBF4/EC+E...

关键词: Sn-Cu alloy electrode , null , null , null

Improvement of Mechanical Properties of Martensitic Stainless Steel by Plasma Nitriding at Low Temperature

Y.T. Xi , D.X. Liu , D. Han , Z.F. Han , null , null , null , null

金属学报(英文版)

A series of experiments were carried out to study the influence of low temperature plasma nitriding on the mechanical properties of AISI 420 martensitic stainless steel. Plasma nitriding experiments were carried out for 15 hours at 350℃ by means of DC-pulsed plasma with 25%N2+75%H2 gas. The microstr...

关键词: Martensitic stainless steel , stainless , steel , Plasma , nitri

Low-temperature Preparation of Photocatalytic TiO2 Thin Films on Polymer Substrates by Direct Deposition from Anatase Sol

材料科学技术（英文）

关键词:

Anomalous Phase Transformation from Martensite to Austenite in Fe-13%Cr-4%Ni-Mo Martensitic Stainless Steel

材料科学技术（英文）

关键词:

表面活性剂改性的大孔径介孔炭对电极染料敏化太阳电池

徐顺建 , 罗玉峰 , 钟炜 , 肖宗湖

新型炭材料 doi:10.1016/S1872-5805(13)60079-7

以大孔径的介孔炭(MC)为催化层材料经低温热处理构建出炭对电极,着重探讨了在炭浆料中添加Triton X100对其组装的染料敏化太阳电池(DSCs)光电性能的影响,并引入分形维数(DF)用于定量评估炭膜形貌的差异.结果表明,当炭浆料中Triton X100的含量增加到0.1 mL(相应MC含量为0....

关键词: 介孔炭 , 染料敏化太阳电池 , 对电极 , 表面活性剂 , 低温制备

Effects of Rare Earth Elements on the Characteristics of,Low Temperature Plasma Nitrocarburized Martensitic Stainless Steel

材料科学技术（英文）

关键词: 低温等离子体 , 马氏体不锈钢 , 离子氮碳共渗 , 稀土元素 , 摩擦磨损试验机 , 氮碳共渗层 , 显微硬度计 , 碳氮共渗

高活性Co3O4负载单原子Au催化剂室温催化CO氧化

乔波涛 , 林坚 , 王爱琴 , 陈洋 , 张涛 , 刘景月

催化学报 doi:10.1016/S1872-2067(15)60889-0

CO低温氧化是多相催化领域研究最多的反应之一.作为简单、典型的探针反应,其不仅具有重要的基础研究价值,而且在环境污染消除等方面也有着非常重要的实际应用价值.金属氧化物如铜锰(Hopcalite)、铜铬复合氧化物以及氧化钴等都具有优异的低温CO氧化活性.然而氧化物催化剂热稳定性低、反复启动性能差、以及...

关键词: 单原子催化 , 贵金属 , 金 , 一氧化碳氧化 , 四氧化三钴 , 低温