I
140.
Fig. 101. Composite of Several Photomicrographs of a Bend Specimen From t h e Outside Vapor Region of t h e M i s t Shield. Top p o r t i o n is t h e tension s i d e and t h e lower p a r t is the compression s i d e . 15x.
. Fig. 102. The Surfaces Exposed t o S a l t i n Freeze Valve 105 After Deformation a t 25OC. (a) Fracture of r i n g specimen pulled i n tension. Note s u r f a c e cracks near t h e f r a c t u r e . 4x (b) Surface of bend specimen. Note some cracks on s u r f a c e and edge cracks. 7x. Reduced 18.5%.
,
c