材料期刊网，材料期刊，材料类期刊，材料期刊投稿

采用图像扫描方法获取碳钢、低合金钢实海挂片的腐蚀形貌图像并进行图像分析；用灰色关联及典型相关技术分析了试片扫描灰度值分布与单位面积平均腐蚀失重及局部腐蚀平均深度的关系；用神经网络理论建立了扫描灰度值分布与试片局部腐蚀平均深度间的关系模型以及扫描灰度值典型加权与试片单位面积平均腐蚀失重间的关系 ...

关键词: 低合金钢 , low-alloy steel , gray relational analysi s , canonical correlation analysis

煤中的羧基、酚羟基对低合金钢27SiMn的腐蚀作用

张增志

中国腐蚀与防护学报

褐煤和泥炭遇水后呈现酸性。研究了褐煤和泥炭中羧基和酚羟基对低合金钢27SiMn的腐蚀作用。配制两种煤的水溶液及饱和水煤样作为电化学腐蚀试验介质，测量了介质的pH值。通过测量极化曲线和红外光谱分析了27SiMn在上述介质中的腐蚀机制。结果表明，褐煤中的羧基和酚羟基加速27SiMn的腐蚀，而泥炭中的羧基...

关键词: 褐煤 , peat , corrosion , low-alloy steel

冶金因素对钢点蚀诱发敏感性的影响

张恒陈学群常万顺

中国腐蚀与防护学报

选取有代表性冶金元素的几种低碳钢和低合金钢，通过在3%NaCl（pH=10）溶液中的极化实验比较它们之间的点蚀诱发敏感性，用电子探针（EPMA）分析钢中夹杂物诱发点蚀的腐蚀特征。结果表明，脱氧程度较差的沸腾钢的抗点蚀诱发能力明显优于脱氧程度完全的镇静钢，经过稀土处理的镇静钢的抗点蚀诱发能力有所改善，...

关键词: 沸腾钢 , killed steel , low-alloy steel , pitting , inclusion

Modeling of Austenite Grain Size in Low-Alloy Steel Weld Metal

A.G. Huang , Y.S. Wang , Z.Y. Li , J.G. Xiong , Q. Hu

金属学报(英文版)

The size of austenite grain has significant e®ects on components and proportions of various ferrites in low-alloy steel weld metal. Therefore, it is important to determine the size of austenite grain in the weld metal. In this paper, a model based upon the carbon diffusion rate is developed for comp...

关键词: low-alloy steel , null , null , null

EFFECT OF CATHODIC PROTECTION ON FRACTURE BEHAVIOUR OF LOWALLOY STEELS IN SEAWATER

ZHENG Wenlong ZHU Xiying SU Limin Shanghai Research Institute of Materials , Shanghai , China ZHENG Wenlong , Senior Research Engineer , Shanghai Research Institute of Materials , 99 Handan Road , Shanghai , China

金属学报(英文版)

Fracture behaviour of low-alloy steels AIST4340,HY100,Welten60,AISIA537 and A131 in artificial seawater under static,cyclic loading and at cathodic protection potential has been investigated by using the techniques of fracture mechanics, electrochemistry and electronfractography.The results reveal t...

关键词: low-alloy steel , null , null , null , null

PHOSPHORUS GRAIN BOUNDARY SEGREGATION IN A P-DOPED 2.25Cr1Mo STEEL

D.D.Shen

金属学报(英文版)

Grain boundary segregation of phosphorus during tempering at 540℃ after quenching from 980℃ is examined for a P-doped 2.25Cr1Mo steel by means of Auger electron spectroscopy.The solute-boundary binding energy and the diffusion coefficient for phosphorus are determined by virtue of the measured segre...

关键词: segregation , null , null

低合金钢Q345B动态再结晶动力学模型

马博 , 彭艳 , 刘云飞 , 贾斌

材料热处理学报

采用Gleehle-3500热模拟实验机对低合金钢Q345B进行热压缩实验,研究其在变形温度为900～1100℃和应变速率为0.01～10 s-1条件下的动态再结晶行为.结果表明:低合金钢Q345B在变形过程中存在动态再结晶现象,且随着温度的升高和应变速率的降低,临界应变越小,动态再结晶越易发生.根...

关键词: Gleeble-3500 , 低合金钢 , 动态再结晶 , 热模拟 , 模型