#Name= SAE945X ColdRolled 61% R=-1 da/dn data # 4.83mm hot rolled plate Cold Rolled to 61% reduction in thickness # Chem.: .05Cwt% .45Mn .008S .011Nb # Ref.: M.T.Yu, D.L.DuQuesnay, T.H.Topper, "Fatigue Bhehavior # of Cold-Rolled SAE Grade 945X HSLA Steel," ASTM # JTest.Eval. V18 N4 July 1990 pp.274-280. # Note: Points digitized from graph to exhibit spread of data. # Original data "K" is tensile portion only. Thus factor 2.0 applied # convert2MPa_mm vers. 1.4 starts... # Program convert to table of mpa_mm, from other units table #Got Original #deltaKunits= mpa_m #Got Original #dadnunits= mm #Conversions: ## 1 ksi*sqrt(inch) = 1.0989*MPa*sqrt(m) ## 1 MPa*sqrt(m) = 31.6228*N/(mm**(3/2) ) ## 1 MPa*sqrt(mm) = 1 N/(mm**(3/2) ) #All inputs converted to MPa*sqrt(mm) and mm/cycle #Note that this is same as N/(mm**(3/2)) and mm/cycle #deltaKunits= mpa_mm #dadnUnits= mm # MPa*sqrt(mm) mm/Cycle 332.325 0.1123850E-07 342.689 0.1157950E-07 349.111 0.3617220E-08 377.328 0.2377490E-06 380.492 0.5666080E-08 386.262 0.4609350E-06 398.525 0.1616100E-06 407.18 0.4753160E-06 425.122 0.3285750E-07 428.609 0.6724020E-06 464.17 0.6186890E-06 469.602 0.8739250E-06 490.853 0.8384320E-06 491.915 0.1366900E-05 540.066 0.1137910E-05 578.711 0.1542830E-05 594.607 0.1337630E-05 660.056 0.1790110E-05 663.541 0.1485310E-05 710.552 0.2325080E-05 714.441 0.1847790E-05 778.509 0.3021920E-05 814.439 0.2405150E-05 830.111 0.4595690E-05 899.694 0.3558780E-05 945.61 0.7006380E-05 1049.14 0.1051880E-04 1386.08 0.8691700E-05