Issue 14

C O bet we lim sup des goo to d A C R E [1] [2] [3] [4] [5] [6] [7] [8] T T NCLUSION he aim o alloy ste results w ween Basqui re used to pr it for this all erior reducti cribe the me d prediction escribe the e KNOWLEDG his proje are grate FERENCES Y-L. Lee, J Butterworth N. E. Dowl K. N. Smith K. Walker, Testing and A. Berkovit S. Kwofie, I ASTM / E 6 ASTM / E 4 1.0E+3 2 3 4 5 6 7 8 9 100 1000 Sar [MPa] Figure 11 : Kw S f this resear el. In that se ere used to n’s alternatin edict the mea oy steel is 38 on around 5 an stress effe for the pres ffect of the m EMENTS ct was suppo fully acknow . Pan, R. H -Heinemann ing, Mechani , P. Watson, Effect of E Materials, W s, D. Fang, In nt. J. Fatigue 06-04 - Stand 66-96 - Stand 1.0E+4 Num R = -1 R = 0 R = 1/3 R = 2/3 Trend Line - Kw Basquin Eq. Bas Confidence Inte B. Lo ofie’s predicti ch was to eva nse, S-N curv determine t g stress and n stress effec 3 MPa; b) th 0% in the e ct on the fa ence of mean ean stress o rted by Cen ledged. We a athaway, M , USA (2005) cal Behaviou T. H. Toppe nvironment est Conshoh t. J. Fatigue, , 23 (2001) 8 ard Practice fo ard Practice fo 1.0E+5 1.0 ber of Cycle (N) ofie Eq. ed on Experimental Da rval Limits - Basquin Eq Confidence Interval Limits bato da Silva et on. luate the eff es were exp he enduranc predictions o ts. By means e fatigue lif ndurance lim tigue strength stress but p n the fatigue trais Elétricas re thankful t . E. Barkey . r of Material r, Journal of and Comple ocken, PA, ( 15 (1993) 17 29. r Strain - Con r Conducting E+6 1.0E+7 ta . - Kwofie Eq. alii, Frattura ed ect of mean erimentally d e limit of th f such mode of the obtai e is strongly it; c) Good , turning its resents relativ strength of A do Norte do o God for th , Fatigue T s, 2 nd edition, Materials, AS x Load Hist 1970) 1. 3. trolled Fatigu Constant Am Integrità Struttu Figu stress of the etermined fo e material a l. The Good ned results it influenced b man and G use non-rec ely high scat STM A743 Brasil S. A. e blessing of esting and A Prentice-Ha TM, 5(4) (19 ory on Fatig e Testing, (20 plitude Axial 0 1 0 100 200 300 400 500 600 700 800 900 1000 Sar [M Pa] Kwofie rale, 14 (2010) re 12 : Kwofie’ fatigue behav r loading rati nd to evalua man, Gerber is possible t y the presen erber’s mode ommended; d ter; e) Walke CA6NM allo - Eletronorte to live, to pro nalysis (Th ll, Englewood 70) 99.767. ue Life, AST 04). Fatigue Tests 00 200 300 400 Sar [MP R = -1 R = 0 R = 1/3 R = 2/3 Trend Line 17-26; DOI: 10 s scatter diagra ior of ASTM os of -1, 0, 1 te the comp , Walker and o infer: a) the ce of mean s l were show ) Kwofie’s m r’s model wa y steel. and Finatec duce and to eory and Pr Cliffs, NJ, ( M STP 462 of Metallic M 500 600 700 80 a] - Eq (2.2.1) .3221/IGF-ESIS. m. A743 CA6 /3 and 2/3. arative diagr Kowfie’s mo fatigue stren tresses, havin n inadequate odel presen s the best mo . These supp develop scie actice), Else 1998). , Am. Soc. aterials, (200 0 900 1000 14.02 25 NM The ams del gth g a to ts a del orts nce. vier For 2).