Influence of Neutron Irradiation on the Creep Rupture Properties of a 16Cr-13Ni Steel

2009 ◽  
pp. 495-495-14
Author(s):  
K Ehrlich ◽  
H Böhm ◽  
C Wassilew
Keyword(s):  
Neutron Irradiation ◽  
Creep Rupture ◽  
Rupture Properties

Prediction of Creep-Rupture Properties for Austenitic Steels Undergone Neutron Irradiation

2009 ◽  
Author(s):  
B. Z. Margolin ◽  
A. G. Gulenko ◽  
A. A. Buchatsky
Keyword(s):  
Neutron Irradiation ◽  
Fracture Criterion ◽  
Void Nucleation ◽  
Rupture Strength ◽  
Creep Rupture ◽  
Austenitic Steels ◽  
Void Evolution ◽  
Fracture Of Materials ◽  
Rupture Properties ◽  
Strength And Ductility

The paper presents the physical and mechanical model that allows predicting fracture of materials subjected to neutron irradiation under creep. The model is based on the equations of void nucleation and growth on grain boundaries that were proposed earlier. The equations are developed for the case of neutron irradiation of a material. The constitutive equations describing viscoplastic deformation of a material with regard to void evolution are formulated. The criterion of microplastic collapse of a unit cell is used as a fracture criterion. The creep-rupture strength and ductility of austenitic materials in the initial and irradiated conditions with different neutron flux levels are predicted on the basis of the model. The calculated results are compared with the available experimental data.

WISCALLOY 25-35Nb

Alloy Digest ◽  
1996 ◽  
Vol 45 (9) ◽  
Keyword(s):  
Stainless Steel ◽  
High Temperature ◽  
Physical Properties ◽  
Tensile Properties ◽  
Creep Rupture ◽  
Centrifugally Cast ◽  
Heat Resistant ◽  
Rupture Properties

Abstract Wiscalloy 25-35Nb is a high-temperature cast heat-resistant stainless steel with good creep-rupture properties. The alloy is centrifugally cast and is often used as petrochemical furnace tubing. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on casting and joining. Filing Code: SS-654. Producer or source: Wisconsin Centrifugal.

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