... Washers1011A–34 Gamma Function1012960 Mechanical Engineering Design shi20361_app_A.qxd 6/3/03 3:42 PM Page 960978 Mechanical Engineering Design Table A–10Cumulative Distribution Function of Normal ... d/2, I = td3/12, t is thethickness.*Factors from R. E. Peterson, Design Factors for Stress Concentration,” Machine Design, vol. 23, no. 2, February 1951, p. 169; no. 3, March 1951, p. 161, ... Reprinted with permission from Machine Design, a Penton Media Inc. publication.(continued)shi20361_app_A.qxd 6/3/03 3:43 PM Page 983984 Mechanical Engineering Design Table A–15Charts of Theoretical...