第四讲 评片技术(Ⅰ)

(É)(,100039)INTERPRETATIONOFRADIOGRAPHS(É)ZhengShicai(XinliMachineryPlant,Beijing),,,11.1,,,,(421),,(422a):(422b):(422c):422,421422,,,,();,;,,,,,,,,28122420004NDTVol.22No.4April2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,1.21.2.1,1.2.2,(423)423OE,;ES;SD,,;DB,;BKB,,,,423Ps()PePb(),N,1.2.3,,,,,22.12.1.10.02%2.06%0.08%0.25%,0.25%0.7%,0.7%1.4%2.5%,2.5%10%,10%,(600),::10,15,20,20A,25,35,45:10MnA,20Cr,12CrNi3A,40Cr,30CrMnSiA,38CrMoAlA:1Cr13,1Cr18Ni9,1Cr18Ni9Ti,2Cr13,381:(É)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4Cr13:T7A,T8A:CrMn,CrWMn,3Cr2W8V,Cr12MoV:GH30,GH33,GH34,GH3030,1%,,1.5%A,30CrMnSiA,0.30%,1%;1Cr18Ni9Ti,0.1%,18%,9%,1%,T,,5%,,,,,,,,,,,,(12%),,2.1.21534910,A(A2Fe);9101390,,C(C2Fe);13901534,,D(D2Fe),FAFe3CP,,,,,5%,,,Fe2Fe3C,,2.1.3,,;,,,,,;;,2.22.2.1(LF21)(LY12)(LC9)(LD10)(ZL104)(ZL201)(ZL301)(ZL402),,,,,,,,,,,Al3Fe,,2.2.2(660),(Al2O3),(2050),(3.54göcm3),,,,,,,;,;,481:(É)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.;2.2.3,,,,1ö20,,,,2.32.3.1(4.54göcm3)Al,Sn,Mo,Si,Fe,V,,400,600,,,,,Fe,Mn,Cr,Co,Mo,W,Cu,(),2.3.2Mg2Mn(MB8)Mg2Al2Zn(MB2MB3)Mg2Zn2Zr(MB15,MB22MB25)Mg2Zn2Zr(ZM1ZM2)Mg2Al2Zn(ZM5),,,(2800)(3.23.7göcm3),,,,,,,,2.3.3,,,,,,,,Al2O3SiO23,,,,3.1,,,,,,,,,,3.1.1,3.1.2,,,3.1.3,,,,581:(É)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,3.2,,,,,,,,,(,),,,,,,,,VT,T,(424);;4241.2.3.4.5.3.2.1,,,,,,3.2.2,,,,3.2.3,,,,,;,3.2.4,,,,,,,,401,0.1160mm,,,3.3681:(É)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,(),(),,,,,,,(),;,,(),,,,,,,,,,,,,,,,,,,,,,,,,,,3.4,(),(Th)(Z)(C)(H),+(T),,,,(,),,(),,,,,,,,,,,,,,,,,,,,,,,,,,,(230250,),,,,LFAl2Si4781:(É)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,;,,,40%50%,70%80%,,,,,,;2,,(),,,,,,():1999212216(178)20g51mm5mm,AÊ,,,,,,400mm,;,2.4,,,3(1),1.111012Bq(2)400mm,,1012Bqmm%1.487005004504003002501.501.501.601.501.802.302.22.52.82.93.33.61.451.501.601.401.702.408379755630150.747005004504003002501.401.421.401.501.702.302.52.52.72.93.23.51.341.401.501.501.602.60868378733521(3),:1999211230881:(É)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.