多轴高周疲劳失效准则的对比分析时新红.pdfVIP

23 11 V ol. 23 No. 11 2008 11 Journal of Aerospace Power Nov. 200 8 : 1000- 8055( 2008) 11- 2007- 09 时新红, 鲍 蕊, 张建宇, 费斌军 ( , 100191) : 6 . , ; 10 ; ; . , 6 ; ; P apadopoulo s Su smel L u . , 6 . : ; ; ; ; ; : O3461 2 : A Comparative study of multiaxial high-cycle fatigue-prediction criteria SH I X n- hong, BA O Ru , ZH A N G J an-yu , FEI B n-j un ( Inst t ut e of So l d M echan cs, Be j ng U n vers ty of A ero naut cs and A stro naut cs, Be j ng 100191, Ch na) Abstract: S x commo n fat gue- pred ct on cr t er a f or mult ax al h g h- cycle fat g ue analy- s s w ere analyz ed w t h several mat er als and load ng data. T he selected cr t er a co ver : equ va- lent st ress cr t er a, st ress nvar ant cr ter a and cr t ca-l plane str ess cr ter a n curr ent nvest- gat ons . T he ex per m ent al dat a co vered 10 k nds o f metal mat er als, nclud ng allo y st eel, low- carbon steel and alum num allo y and cast ron, under pro por t onal and non- proport onal load ng co nd t ons respect vely . T he analyt cal r esult s show t hat , the pred ct ed results f or low- carbon steel and alloy st eel are bet t er than that for ot her m at er als, and t he pred ct ed re- sult f or pr opo rt o nal load ng s bet ter t han t hat f or non- proport onal lo ad ng . Papadopoulos cr ter on , Su smel cr ter on and L u cr t er o n show bett er pred ct o n capab l t y t han t he ot her t h