      H-13 

         

        

     

        

         

           

           

          

             H-13 Dip Tank Specimen 2” each side 7” All corners square +.003” to -.003” All corners have.010” radius

                   H-13 Dip Tank Specimen 2” each side 7” All corners square +.003” to -.003” All corners have.010” radius  

        

                 

 H-13 Dip Tank Specimen 2” each side All corners square +.003” to -.003” All corners have.010” radius             3.5” 1.0” Side 7 Side 5 Side 1 1”.5” Side 3

 All but 4 measurements indicate compression

 Compressive Stress turns to Tensile

 Tensile stress values reduced

   Tensile stress again increasing

   Tensile stress approaching values seen at 10 cycles

 Tensile stress continuing to increase









 ?             

          

 H-13 