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Questions related from Arvind Bind
Dear All, We carry out fracture test of Zr alloys. To distinguish crack growth during fracture test, we carry out heat tinting at 300 oC for 20 min at no load and then samples are torn apart to...
16 June 2017 4,710 3 View
As per ASTM-1820 J is separated in elastic J and plastic J. Elastic J is calculated as per eqn. Je=K^2*(1-v^2)/E and plastic J is calculated from area under load vs. plastic displacement. I want...
13 April 2017 3,651 19 View
I have carried out fracture toughness of Zr-2.5Nb pressure tube using CT specimens in transverse and longitudinal direction. The transverse CT specimens got buckled during fracture testing. I want...
27 March 2017 6,943 8 View
I have carried out fracture test of Zr-2.5Nb pressure tube material in axial (crack growth along axial direction of the tube) and transverse direction of the pressure tube using CT specimen. The...
10 March 2017 9,138 4 View
As per ASTM E-1820 for J-R curve, slope of blunting line is given by: J=2sf*deltaa. But this blunting line equation may not be true for all material. It is said the stretched zone width is...
27 December 2016 8,473 8 View
I am calculating eta factor for 17 wide mm flat CT, axial curved CT and transverse curved CT specimens for fracture toughness testing of Indian Zr-2.5Nb pressure tube material experimentally...
14 October 2016 5,187 6 View
ASTM E-1820 recommend side grooving after fatigue pre-cracking. But I think side grooving before fatigue pre-cracking is better because the fatigue pre-crack front will be more uniform. Also,...
01 January 1970 2,209 7 View
