Effects of surface finish, of certain defects, and of repair of defects by welding on fatigue strength of 355-T6 sand-castings and effects of prior fatigue stressing on tensile properties

Author:	Howell, F M
Additional Authors:	Stickley, G W
Year:	1948
Document Type:	N/A
Series:	NACA Technical Notes
Report Number:	NACA-TN-1464
Link:	https://digital.library.unt.edu/ark:/67531/metadc54273/