Articles with "9cr 1mo" as a keyword



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Microstructural Stability During Creep Exposure of 9Cr-1Mo Steel Treated at Different Normalization Temperatures

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Published in 2019 at "Journal of Materials Engineering and Performance"

DOI: 10.1007/s11665-019-04074-3

Abstract: A modified 9Cr-1Mo steel has been exposed to three separate austenitization temperatures, i.e., at 950, 1025, and 1100 °C for normalization. After subsequent tempering at 750 °C, the normalized and tempered samples were creep-tested at temperatures of… read more here.

Keywords: creep; normalization; 9cr 1mo; 1mo steel ... See more keywords
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Flow Behaviour of Modified 9Cr–1Mo Steel at Elevated Temperatures

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Published in 2017 at "Transactions of the Indian Institute of Metals"

DOI: 10.1007/s12666-017-1047-4

Abstract: In this investigation, the flow behaviour of modified 9Cr–1Mo steel at elevated temperatures is reported. To understand the flow behaviour of the steel, tensile tests were performed at nominal strain rate of 3 × 10−3 s−1 and… read more here.

Keywords: 9cr 1mo; behaviour modified; flow behaviour; steel ... See more keywords
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Comparison of Mechanical and Metallurgical Properties of Modified 9Cr–1Mo Steel for Conventional TIG and A-TIG Welds

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Published in 2019 at "Transactions of the Indian Institute of Metals"

DOI: 10.1007/s12666-019-01657-5

Abstract: This work attempts to investigate the effect of flux activation on mechanical and metallurgical properties of modified 9Cr–1Mo steel during activated TIG (A-TIG) welding. Composition-based oxide flux MnO2 was identified to produce a 6-mm-thick square-groove… read more here.

Keywords: 9cr 1mo; mechanical metallurgical; tig tig; steel ... See more keywords
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Role of M23C6 carbide on the corrosion characteristics of modified 9Cr-1Mo steel in N2-O2-CO2-SO2 atmosphere at 650 °C

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.03.272

Abstract: Abstract In this study, the oxidation and sulfidation characteristics of modified 9Cr 1Mo steels according to Cr-rich M23C6 distributed in grain boundaries in the N2-O2-CO2-SO2 atmosphere at 650 °C were analyzed. The oxidation kinetic was obeyed… read more here.

Keywords: m23c6; 9cr 1mo; so2 atmosphere; characteristics modified ... See more keywords
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Dispersion of complex carbides at the oxidation front during the oxidation of 9Cr-1Mo steel

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Published in 2020 at "Corrosion Science"

DOI: 10.1016/j.corsci.2019.108389

Abstract: Abstract To better understand oxidation and carburisation processes taking place during exposure of 9Cr-1Mo steel experimental samples have been exposed at 600 °C and 620 °C to a CO2 rich atmosphere for various exposure times. Complex multi-elemental… read more here.

Keywords: oxidation; dispersion complex; oxidation front; 9cr 1mo ... See more keywords
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Microstructure, corrosion and mechanical properties characterization of AISI type 316L(N) stainless steel and modified 9Cr-1Mo steel after 40,000 h of dynamic sodium exposure at 525 °C

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Published in 2019 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2019.01.012

Abstract: Abstract This paper presents results of a comprehensive study on 316L(N) stainless steel (SS) and modified 9Cr-1Mo steel exposed to flowing sodium at 525 °C for 40,000 h in a bi-metallic (BIM) loop. A non-uniform ferrite layer… read more here.

Keywords: 1mo steel; steel; 9cr 1mo; 316l stainless ... See more keywords
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Fatigue life estimation of notched specimens of modified 9Cr-1Mo steel under uniaxial cyclic loading

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Published in 2017 at "Materials at High Temperatures"

DOI: 10.1080/09603409.2017.1308084

Abstract: Abstract Accuracy in the estimation of low cycle fatigue life of modified 9Cr-1Mo steel notched specimen by different analytical methods such as linear rule, Neuber’s rule, strain energy density method and numerical method such as… read more here.

Keywords: fatigue life; notched specimens; 1mo steel; 9cr 1mo ... See more keywords
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A study of breakaway oxidation of 9Cr–1Mo steel in a Hot CO2 atmosphere using Raman spectroscopy

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Published in 2018 at "Materials at High Temperatures"

DOI: 10.1080/09603409.2017.1389424

Abstract: Abstract The microstructure of the oxide scale and parent metal in ferritic 9Cr–1Mo steel was observed to explore the oxidation and carburisation mechanisms upon exposure to a CO2 gas environment at high temperature and high… read more here.

Keywords: oxidation; steel; co2; spectroscopy ... See more keywords
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Creep rupture behaviour of modified 9Cr-1Mo heat-resistant steel strengthened with different mechanisms

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Published in 2019 at "Materials at High Temperatures"

DOI: 10.1080/09603409.2019.1662981

Abstract: ABSTRACT The creep rupture behaviours and microstructural changes of a modified 9Cr-1Mo heat-resistant steel were investigated at 853 K. Analysis of creep results suggests that dislocation climb is the dominant deformation mechanism with true stress… read more here.

Keywords: 9cr 1mo; 1mo heat; heat resistant; creep rupture ... See more keywords
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Machine Learning-Based Framework for Predicting Creep Rupture Life of Modified 9Cr-1Mo Steel

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Published in 2023 at "Applied Sciences"

DOI: 10.3390/app13084972

Abstract: Efficient and accurate predictions of creep rupture life are essential for ensuring the integrity of high-temperature components. In this work, a machine learning-based framework is developed for the quick screening of crucial features and accurate… read more here.

Keywords: machine learning; life; creep rupture; modified 9cr ... See more keywords