scholarly journals Project Final Report - Phase Transformation of Thermally Aged and Neutron Irradiated Duplex Stainless Steel Used in LWRs

2020 ◽  
Author(s):  
Yong Yang
2012 ◽  
Vol 721 ◽  
pp. 96-101
Author(s):  
István Mészáros

In the present work the microstructure and the strain induced phase transformation of a Lean Duplex Stainless Steel (LDSS) were studied. Sheet samples were cold rolled, the number of samples was nine; the applied deformation was up to 80%. The magnetization curves were measured by a single sheet tester-type magnetic property analyzer. The series of symmetrical minor hysteresis loops and the saturation loop were measured. Our novel data evaluation technique was applied for data evaluation of the magnetic measurements. This method is based on the multiphase-hyperbolic model of magnetization and it is called model based data evaluation (MBDE) technique. This method allowed us to separate the magnetic contribution of ferrite and martensite phases in the tested LDSS. Several new details of the kinetics of austenite→martensite strain induced phase transformation were clarified.


Author(s):  
Edgard Silva ◽  
ANA SILVA SOUZA ANDRADE ◽  
Francildo de Oliveira ◽  
Michelline Nery Azevedo Lima ◽  
Josinaldo Leite ◽  
...  

2004 ◽  
Vol 50 (10) ◽  
pp. 1351-1354 ◽  
Author(s):  
Eric Johnson ◽  
Yoon-Jun Kim ◽  
L. Scott Chumbley ◽  
Brian Gleeson

2021 ◽  
Vol 15 (3) ◽  
pp. 8450-8458
Author(s):  
Mohamed Ahmed Rady ◽  
Patthi Hussain ◽  
Nagoor Basha Shaik ◽  
Balaji Bakthavatchalam

Joining SiALON to duplex stainless steel utilizes the properties of two materials which may provide an opportunity for distinctive applications. Ceramic is hard and operates at a high temperature but it is brittle whereas metal is tough but it can work at a low temperature. The benefits of the best properties of both materials can be utilized by joining them. The objectives of the research work are to investigate the physical properties and the phase transformation at the interface and at the inter-diffusion layer in between the SiAlON and duplex stainless steel. The experiment incorporated nitriding, then diffusion bonding the duplex stainless steel using the hot press. Bonding was carried out at 1200°C for the holding times of 30 minutes and 1 hour.  Metallography and micro analyses were conducted to achieve the above objectives. The study has demonstrated that 30 minutes joining time is sufficient to develop the thickness of the interface. However, 1 hour joining duration achieved cohesive and sound diffusion bonding of the SiAlON to duplex stainless steel. This is possible due to the formation of diffusion interlayer which accommodates the residual stress presence during cooling down process.


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