The effect of strain-induced martensite transformation on strain partitioning and damage evolution in a duplex stainless steel with metastable austenite

2021 ◽  
pp. 141173
Author(s):  
Lei Chen ◽  
Qixiang Jia ◽  
Shuo Hao ◽  
Yongxin Wang ◽  
Cheng Peng ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Duplex Stainless Steel ◽  
Martensite Transformation ◽  
Damage Evolution ◽  
Strain Partitioning ◽  
Metastable Austenite ◽  
Strain Induced Martensite

An overview of duplex stainless steel for strain induced martensite transformation

2020 ◽  
Vol 26 ◽  
pp. 1028-1031
Author(s):  
Shivani Koppula ◽  
Pallavi Gugulothu ◽  
Akhila Chilikuri ◽  
Snigdha Narum ◽  
Ram Subbiah ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Duplex Stainless Steel ◽  
Martensite Transformation ◽  
Strain Induced Martensite

scholarly journals Investigation of Thermally Induced Deterioration Processes in Cold Worked SAF 2507 Type Duplex Stainless Steel by DTA

Crystals ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 937
Author(s):  
Tibor Berecz ◽  
Éva Fazakas ◽  
Enikő Réka Fábián ◽  
Péter Jenei ◽  
János Endre Maróti
Keyword(s):  
Stainless Steel ◽  
Duplex Stainless Steel ◽  
X Ray Diffraction ◽  
Thermally Induced ◽  
Σ Phase ◽  
Hardness Tests ◽  
Strain Induced Martensite ◽  
Kissinger Plot ◽  
Cold Worked ◽  
High Degree

Thermally induced deterioration processes were studied in cold worked (up to 60% deformation) SAF 2507 type super-duplex stainless steel (SDSS) by differential thermal analysis (DTA). DTA results revealed two transformations. Parent and inherited phases of these transformations were examined by other methods too, such as micro-hardness tests, optical metallography and X-ray diffraction (XRD). Finally, these transformations were identified as the formation of α’- and σ-phases. Formation of strain-induced martensite (SIM) and recrystallization were not experienced until 1000 °C, despite high degree of cold working. Activation energies of the σ-phase precipitation and α’-phase formation were determined from the Kissinger plot, through DTA measurements—they are 275 and 220 kJ/mol, respectively—in good agreement with the values found in the literature.

302 A Study of strain-induced martensite transformation for SUS304 stainless steel

2013 ◽  
Vol 2013.51 (0) ◽  
pp. _302-1_-_302-2_
Author(s):  
Hironobu FUKUI ◽  
Mitsuhiro OKAYASU ◽  
Hiroaki OHFUJI ◽  
Tetsuro SHIRAISHI
Keyword(s):  
Stainless Steel ◽  
Martensite Transformation ◽  
Sus304 Stainless Steel ◽  
Strain Induced Martensite

Strain-Induced Martensite and Reverse Transformation in 2304 Lean Duplex Stainless Steel and its Influence on Mechanical Behavior

2018 ◽  
Vol 90 (3) ◽  
pp. 1800437
Author(s):  
Graziele Gianini Braga Maria ◽  
Carolina Arriel Dias Pedroso ◽  
Daniella Gomes Rodrigues ◽  
Dagoberto Brandão Santos
Keyword(s):  
Stainless Steel ◽  
Mechanical Behavior ◽  
Duplex Stainless Steel ◽  
Reverse Transformation ◽  
Lean Duplex Stainless Steel ◽  
Strain Induced Martensite

scholarly journals Effect of hydrogen on dislocation structure and strain-induced martensite transformation in 316L stainless steel

RSC Advances ◽  
2017 ◽  
Vol 7 (45) ◽  
pp. 27840-27845 ◽  
Author(s):  
Sang Hwan Bak ◽  
Sung Soo Kim ◽  
Dong Bok Lee
Keyword(s):  
Stainless Steel ◽  
Dislocation Structure ◽  
Martensite Transformation ◽  
316L Stainless Steel ◽  
Laminated Structure ◽  
Strain Induced Martensite

Hydrogen forced that SIM distributed locally in a α′/γ laminated structure. Hydrogen changed dislocation structure from only cellular to planar dislocations. Hydrogen promoted strain-induced ordering and suppressed the formation of SIM.

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