Effect of Surface Rolling on the Fatigue Strength of Steel |
Common terms and phrases
224 threads APPLIED MECHANICS axles Braunschweig cent sq Cold-Stretched Specimens contour radius diam diameter of 7/16 diameter specimens EFFECT OF ROLLER EFFECT ON ENDURANCE Elongation equivalent to 224 FATIGUE SPECIMEN fatigue tests feed equivalent Föppl given a mild given in Table heat-treatment after rolling heft hysteresis increase in endurance increase in fatigue increased fatigue strength JOURNAL OF APPLIED lathe centers lb per sq LIMIT OF 0.3-IN load machined from 18/4-in malized and drawn mild heat-treatment normal pressure normalized and drawn Oschatz paper pressure per roller pyramidal diamond test radius of 11/2 reduction in area residual stresses rolled specimens ROLLED WITH ROLLERS roller feed ROLLER PRESSURE roller shape rolling process scratch test shown in Fig shown in Table Specimen given SPECIMEN SURFACE ROLLED specimen was rolled SPECIMENS Endurance limit SPECIMENS MACHINED specimens rolled Steigerung der Dauerhaltbarkeit strain hardening stress concentration Stretched surface-rolled specimens Table 13 tensile-test diagram Thum vibration