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Crack propagation and coalescence
RFPA
PERGAMONEngineeringFractureMechanics61(1998)311±324
Crackpropagationandcoalescenceinbrittlematerialsundercompression
C.A.Tanga,1,S.Q.Koub,*
aLNM,InstituteofMechanics,ChineseAcademyofSciences,Beijing,100080,People'sRepublicofChinabDivisionofMiningEngineering,LuleaÊUniversityofTechnology,S-97187,LuleaÊ,Sweden
Received25January1998;receivedinrevisedform17July1998;accepted9August1998
Abstract
Twoparticularcasesconcerningcrackpropagationandcoalescenceinbrittlematerialshavebeenmodeledbyusingtherockfailureprocessanaly
Crack growth behavior under biaxial fatigue with phase difference
Crackgrowthbehaviorunderbiaxialfatiguewithphasedifference
q
S.Mall ,V.Y.Perel
AirForceInstituteofTechnology,DepartmentofAeronauticsandAstronautics,2950HobsonWay,Wright-PattersonAFB,OH45433-7765,UnitedStates
articleinfoabstract
Crackgrowthbehaviorofaluminumalloy7075-T6wascharacterizedunderin-planebiaxialtension–tensionfatiguewithphasedifferencesof90°or180°betweenthetwoappliedorthogonalcyclicloads.Theinitialsinglecrack,createdunderthebiaxialfatiguewithoutanyphasedifference,splitsintotwosymmetriccracksunderthebiaxialfatig
MasterCAM9.1SP2+CRACK 汉化版把握精髓的安装方法
MasterCAM9.1SP2+CRACK 汉化版 的把握精髓的安装方法: (精髓:安装目录全都与第二步的安装目录相同) 1、解压:解压安装包:到任意文件夹如:D:\\\\Mcam9.1
2、主程序安装:在第一步中找到Setup.exe进入安装界面,点第一个进入9.1的安装。设置系统采用的单位,选择Metric(公制)。安装目录最好在C:\\Mcam9。(当然也可以在D:\\Mcam9或其他目录,但需要记住)
3、汉化:在第一步的解压文件加下找到“MasterCAM V9.1sp2简体中文汉化补丁”文件夹,找到
文件并运行,目录
与第二步的安装目录相同。找到软件所在的目录C:\\Mcam9,在里面查找一个名为CHI.BAT
或CHI--中文 的文件,然后打开,继续自动安装。
4、移动70文件:把MasterCAM9.1SP2+CRACK 汉化版\\Crack\\mastercam_v9.1 crack解密\\128393-msvcr70\\目录下的msvcr70.dll文件复制到软件的目录里C:\\Mcam9(与第二步安装目录相同),然后再复制到C:\\Windows\\System32(这步很重要,这个目录是固定的,不随第二步目录改变而改变)
Effects of microstructure on mixed-mode, high-cycle fatigue crack-growth thresholds in Ti-6
ABSTRACT Effect of microstructure on mixed-mode (mode I ? II), high-cycle fatigue thresholds in a Ti-6Al-4V alloy is reported over a range of cracksizes from tens of micrometers to in excess of several millimeters. Specifically, two microstructural conditi
Effectsofmicrostructureonmixed-mode,high-cyclefatiguecrack-growththresholdsinTi-6Al-4Valloy
DepartmentofMaterialsScienceandEngineering,UniversityofCalifornia,Berkeley,California94720-1760,USA,2MetalsFabricationDivision,GeneralMotors,Troy,Michigan48084,USAReceivedinfinalform