《材料导报》研究简报征稿

<正>《材料导报》创刊于1987年,是中文核心期刊,中国科技论文统计源期刊(科技核心期刊),中国科学引文数据库来源期刊,CNKI期刊全文数据库收录期刊和美国化学文摘(CA)收录期刊。科学技术的飞速发展使研究成果产出的周期缩短,对快速及时发布科学研究新成果的需求也日益增强。为使科技工作者及其单位抢先获得科技成果的首发权和知识产权,本刊在《材料导报》(研究篇)特设——"研究简报"栏目。此栏目以创新性和快速发布研究成果为特色,主要征集学术性强、具有创新思想的研究报道,以促进成果推广和学术交流。一投稿要求(1)研究简报是学术论文、科技报道的一种新形式,是对课题研究成果的快速报道,具有原创性和较强的学术性、创新性。     

WAVE INTERACTION WITH PERFORATED CAISSON BREAKWATERS

The reflection coefficient of perforated caissons and the total horizontal forces acting on them were experimentally and numerically analyzed and discussed when wave propagates normally. To consider the viscosity effect of fluid and nonlinear action of waves on structures, the VOF (Volume Of Fluid) method combined with the k-ε turbulence model was used to simulate the interaction between waves and structures. Governing equations were solved with the finite difference method. Through 2D experimental study in the wave flume, the empirical relationship between the reflection coefficient of perforated caissons and the main affecting factors were obtained from the experimental data using the least square method. Also the correlation between the ratio of the total horizontal force acting on perforated caisson and the force acting on solid caisson and the main affecting factors were regressed from the experimental data.     

WTO: IPRs Issues in Standardization (Beijing) International Symposium

On April 17th 2007, over 200participants, among them business leaders, IT engineers, the enterprise representatives and some standardization experts and scholars from all over the world gathered in Beijing to attend the International Seminar on "WTO: Intellectual Property Right Issues In Standardization"     

“软”“硬”兼施 多管齐下 上海墙材革新与建筑节能稳步推进

去年,上海市墙材革新和建筑节能工作基本完成年初确定的工作目标与任务。全市新型墙体材料生产应用量为30亿块标准砖,其中,非黏土类新型墙材为16.5亿块标准砖,比上年增长3%,占全部新型墙材的55%。全年关闭9家黏土砖瓦厂,减少黏土多孔砖生产能力1.08亿块标准砖,年节约土地近180亩。建筑节能住宅落实107.06万平方米,超目标7.06%。新型墙材专项基金征收工作不断规范和完善,超额完成了全年征收指标。同时,通过管理体制的改革,组建市建筑材料发展应用管理办公室后,上海市新型墙体材料、建筑节能等各项工作又有了新的提高和发展。1　依法行政…     

NUMERICAL STUDY ON SORET-EFFECT AND DUFOUR-EFFECT FOR DOUBLE-DIFFUSIVE NATURAL CONVECTION IN POROUS ENCLOSURE

The influences of Soret effect and Dufour effect on the natural convection and heat and mass transfer for a porous enclosure were investigated by means of the penalty finite element method. Numerical results indicate that the Soret and Dufour effects have significant influences on heat and mass transfer in the presence of large temperature gradient and concentration gradient.     

The Inventory for Chinese LFC in 2006

1. Introduction Lost Foam Casting has been introduced into China for two decades, and it is getting more popularity in foundry industry.In China there are two associations responsible for the LFC industry and academic exchanges: Chinese Lost Foam Casting Society (CLFCS) and Chinese Association of Full Mold Casting.     

PHYSICAL SIMULATION OF INTERFACIAL CONDITIONS IN HOT FORMING OF STEELS

1.~nonNUInericalmodellingbythefiniteelement(FE)methodhasbecomeaneffectiveandeconomyicmeansforsimulatingmetalfoeingprocesses.However,accuratemodellingdemandsthecorrectdefinitionandinputsofthedataforthethermalandphysicalpIDPertiesoftheworkpieceandtoolmaterials,theboUndaryconditionsattheworkpiece--toolinterfaceandinotherareas,inadditiontoappropriatemeshgenerationandnumericalsolutions.Althoughmostofthematerialdataareavailable,thedataforinterfacialheattransferandfrictionconditions,Whichhavesubst…     

MODEL OF CLEAVAGE CRACK PROPAGATION ACROSS BOUNDARY

In the light of analysis of the features of cleavage fractographs of low carbon steel,the stresscriterion for cleavage crack propagation across ferrite grain boundary was established on thesupposition that resistance to the propagation results from an arbitrary mutual orientation ofthe cleavage plans in the neighbouring grains.On the basis of concept of statistical distribu-tion of cleavage plane in space,the probabilistic characteristic of cleavage process was ex-pounded,and the fracture stress of the cracked specimen over temperature range in whichfracture is initiated by cleavage mechanism was calculated by means of finite element analysisprogram and the calculated result was found to be in agreement with that measured.     

Press Releases for GIFA/METFC/THERMPOCESS/NEWCAST 2007

Nomen est omen: Under the motto "The Bright World of Metals"the four international technology trade fairs GIFA, METEC,THERMPROCESS and NEWCAST drew to a successful close on Saturday. Over 1 700 companies, associations and research institutes presented the latest innovations in the areas of foundry technology, castings, metallurgy and thermal process engineering in Düsseldorf.     

用FrontPage制作留言板

１．制作填写表单外观首先开启新的一张空白网页,点击“Ｖｉｅｗ-＞ＦｏｒｍｓＴｏｏｌｂａｒ＂弹出表单工具条;然后使用单行文本框作出两个栏目:“姓名＂与“Ｅ-ｍａｉｌ＂;使用多行文本框作出“留言＂栏目;使用按钮框作出两个控制钮:“Ｂｕｔｔｏｎ１＂与“Ｂｕｔｔｏｎ２＂。２．设定表单元素鼠标双击单行文本框,弹出文本属性设定窗口,修改栏目名称Ｎａｍｅ,分别为姓名、Ｅ-ｍａｉｌ(不能使用Ｅ-ｍａｉｌ中的连字符,该字符为非法ＡＳＣＩＩ字符);鼠标双击多行文本框,弹出文字属性设定窗口修改栏目名称,输入“留言＂二字;鼠标双击按钮,弹…