 Wysłany: Wto 13:32, 23 Lis 2010 Temat postu: tory burch bags Mg-Y-Nd-Gd-Zr alloys Experimental |
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Mg-Y-Nd-Gd-Zr alloys Experimental study of dynamic recrystallization Qingbia., SunJianfeng2 (. St. E research Laboratm, such as rFabricationandProcessing on the Non-FerrousMetals, GeneralResearchInstitutefoTNon-FerrousMetals, Beijing100088,tory burch, China; 2.The518thInstituteNo.5AcademyQ plant ChinaAerospaceScience & TechnologyCorporation, Taiyuan030800,tory burch sandals, China) Abstract: HotcompressiontestsofMg.. Gd. . Y.. Nd.. ZrRE'containingmagnesiumalloywereperformedusingGleeblel500testequipmentatthestrainratewithintherangeof0 .002-1s ~ andthedeformationtem-peratureof523 ~ 723Kunderthedeformationdegreeof50%. Thestain. hardeningratecouldbeobtainedfromtruestress-truestraincurves, theplotsofO-a,tory burch sale, A (3O / O). and-lnO. Stare underthedifferentcom. pressionconditionswereobtainedthroughtheagencyofthisstudy. Theresuhsshowedthatthecriticalcon- ditionoftheonsetofDRXprocesswas ((810) (a 30/aa)) = 0, theratiosofthecriticalstressto Hill epeakstressandthecriticalstraintothepeakstrainKeywords: RE-containingmagnesiumalloy; hot-compression; averagegainsizestandswerevariableinthedefiniterange,tory burch outlet, theonset0fDRXprocessoccurredbeforethepeakofthestress-strainflowcurves. Thetextureevolutionofmagnesiumalloyatthedifferenttemperaturesandstrainrateswerestudiedbythemetallographicobservation, thereerys-tallizationaveragegainsizewasmeasuredusingthein. terceptmethod. Theresultsshowedthattherecrysta1.. 1izationaveragegrainsizeWasenlargingwiththetem. peratureincreasingandthestrainratesdecreasingandtheiroppositeresuhspresented; thepeakstressen- largedfollowingthedecreaseoftherecrystallizationaveragegainsizeandtheoppositeonealsodid. dynamicrecrystallization; stain-hardeningrate; recrystallization More articles related to topics： tory burch sale Unity self-education _3262 tory burch sandals sale 1994 International Powder asics running shoes Ultra-fine aluminum nitride co |
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