Abstract
Present investigation deals with the mechanical properties and microstructure of dual phase (DP) steel. Normalizing and intercritical annealing heat treatments were carried out at 900, 750, 770, and 790 °C and DP ferrite-martensite steel was obtained. Interaction behavior of both phases has been analyzed through tensile, hardness and impact strength. Comparison of the DP steel with normalized steel has revealed that hardness and tensile strength increases as intercritical temperature increases. Similarly ductility and toughness decreases as the intercritical temperature increases and normalized steel shows better elongation and toughness. The microstructure analysis shows, as the intercritical temperature increases, martensite quantity increases with decrease in ferrite content, which results in improvement in the tensile strength and hardness. The results have shown a decrease in the ductility and toughness as the volume of martensite increases.
| Original language | English |
|---|---|
| Pages (from-to) | 553-558 |
| Number of pages | 6 |
| Journal | International Journal of Mechanical Engineering and Robotics Research |
| Volume | 8 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 01-01-2019 |
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All Science Journal Classification (ASJC) codes
- Control and Systems Engineering
- Mechanical Engineering
- Artificial Intelligence
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Mechanical characterization and microstructural analysis of AISI 4340 ferrite-martensite dual phase steel. / Gurumurthy, B. M.; Sharma, Sathyashankara; Ramakrishna Vikas, S.; Achutha Kini, U.
In: International Journal of Mechanical Engineering and Robotics Research, Vol. 8, No. 4, 01.01.2019, p. 553-558.Research output: Contribution to journal › Article
TY - JOUR
T1 - Mechanical characterization and microstructural analysis of AISI 4340 ferrite-martensite dual phase steel
AU - Gurumurthy, B. M.
AU - Sharma, Sathyashankara
AU - Ramakrishna Vikas, S.
AU - Achutha Kini, U.
PY - 2019/1/1
Y1 - 2019/1/1
N2 - Present investigation deals with the mechanical properties and microstructure of dual phase (DP) steel. Normalizing and intercritical annealing heat treatments were carried out at 900, 750, 770, and 790 °C and DP ferrite-martensite steel was obtained. Interaction behavior of both phases has been analyzed through tensile, hardness and impact strength. Comparison of the DP steel with normalized steel has revealed that hardness and tensile strength increases as intercritical temperature increases. Similarly ductility and toughness decreases as the intercritical temperature increases and normalized steel shows better elongation and toughness. The microstructure analysis shows, as the intercritical temperature increases, martensite quantity increases with decrease in ferrite content, which results in improvement in the tensile strength and hardness. The results have shown a decrease in the ductility and toughness as the volume of martensite increases.
AB - Present investigation deals with the mechanical properties and microstructure of dual phase (DP) steel. Normalizing and intercritical annealing heat treatments were carried out at 900, 750, 770, and 790 °C and DP ferrite-martensite steel was obtained. Interaction behavior of both phases has been analyzed through tensile, hardness and impact strength. Comparison of the DP steel with normalized steel has revealed that hardness and tensile strength increases as intercritical temperature increases. Similarly ductility and toughness decreases as the intercritical temperature increases and normalized steel shows better elongation and toughness. The microstructure analysis shows, as the intercritical temperature increases, martensite quantity increases with decrease in ferrite content, which results in improvement in the tensile strength and hardness. The results have shown a decrease in the ductility and toughness as the volume of martensite increases.
UR - http://www.scopus.com/inward/record.url?scp=85067079589&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85067079589&partnerID=8YFLogxK
U2 - 10.18178/ijmerr.8.4.553-558
DO - 10.18178/ijmerr.8.4.553-558
M3 - Article
VL - 8
SP - 553
EP - 558
JO - International Journal of Mechanical Engineering and Robotics Research
JF - International Journal of Mechanical Engineering and Robotics Research
SN - 2278-0149
IS - 4
ER -