Creep deformation and fracture behavior of types 316 and 316L(N) stainless steels and their weld metals

2000 ◽  
Vol 31 (4) ◽  
pp. 1175-1185 ◽  
Author(s):  
G. Sasikala ◽  
S. L. Mannan ◽  
M. D. Mathew ◽  
K. Bhanu Rao
Keyword(s):  
Creep Deformation ◽  
Stainless Steels ◽  
Fracture Behavior ◽  
Weld Metals ◽  
Deformation And Fracture

An assessment of creep deformation and fracture behavior of 2.25Cr-1Mo similar and dissimilar weld joints

2001 ◽  
Vol 32 (1) ◽  
pp. 115-124 ◽  
Author(s):  
K. Laha ◽  
K. S. Chandravathi ◽  
K. Bhanu Sankara Rao ◽  
S. L. Mannan ◽  
D. H. Sastry
Keyword(s):  
Creep Deformation ◽  
Fracture Behavior ◽  
Dissimilar Weld ◽  
Weld Joints ◽  
Deformation And Fracture

Explosively Driven Expansion and Fragmentation Behavior for Cylinders, Spheres and Rings of 304 Stainless Steel

2010 ◽  
Vol 638-642 ◽  
pp. 1035-1040 ◽  
Author(s):  
Tetsuyuki Hiroe ◽  
Kazuhito Fujiwara ◽  
Hidehiro Hata ◽  
Mitsuru Yamauchi ◽  
Kiyotaka Tsutsumi ◽  
...  
Keyword(s):  
Stainless Steel ◽  
High Speed ◽  
Fracture Behavior ◽  
Copper Wire ◽  
304 Stainless Steel ◽  
Fragmentation Model ◽  
Fragmentation Behavior ◽  
Deformation And Fracture ◽  
Test Parameters ◽  
Fine Copper

Explosive loading techniques are applied to expand tubular cylinders, spherical shells and rings of 304 stainless steel to fragmentation, and the effects of wall thicknesses, explosive driver diameters and the constant proportionality of the in-plane biaxial stretching rates are investigated on the deformation and fracture behavior of three basic structures experimentally and numerically. In the cylinder tests, the driver is a column of high explosive PETN, inserted coaxially into the bore of a cylinder and initiated by exploding a fine wire bundle at the column axis using a discharge current from a high-voltage capacitor bank. In case of the ring tests, ring specimens are placed onto a single cylinder filled with the PETN as a expansion driver, and for sphere tests, specimens filled with the PETN are also initiated by exploding a fine copper wire line with small length located at the central point. Two types of experiments are conducted for every specimen and test condition. The first type uses high speed cameras to observe the deformation and crack generation of expanding specimens showing the final maximum in-plane stretching rate of above , and the second uses soft capturing system recovering typically most fragments successfully. The fragments are measured and investigated using a fragmentation model. The effects of test parameters on the deformation and fracture behavior for three types of structures are discussed in need of modified fragmentation model for shell structural elements.

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