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retained austenite 2

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advanced high strength steel 1

austempered ductile iron (ADI) 1

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coal seams of low-permeability 1

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Mechanical properties of vanadium-alloyed austempered ductile iron for crankshaft applications

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0746-2

Abstract: comprehensively, and the results were correlated with their microstructures and the stability of the retainedaustenite phases.Moreover, the X-ray diffraction results revealed that the retained austenite volume and the carbon enrichmentof austenite phases in ADI samples were remarkably affected by the addition of vanadium.The increase in volume fraction of retained austenite and its carbon content provided favorable ductility

Keywords： austempered ductile iron (ADI) vanadium alloying mechanical properties crankshafts retained austenite

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Application research of Q&P concept in hot rolled AHSS production

Yuan Guo,Kang Jian,Zhang He,Li Yunjie,Hu Hongling and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1, Pages 59-65

Abstract: process was favorable for significantly refining the microstructure and obtaining a certain amount of retainedaustenite，and the experimental steel possessed the higher product of strength and ductility under the

Keywords： advanced high strength steel Q&P DQ&P hot rolling retained austenite

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Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability

Yuan liang

Strategic Study of CAE 2009, Volume 11, Issue 5, Pages 72-80

Abstract: fill technologies are developed, and technological innovations in methane extraction are made with the retained

Keywords： coal seams of low-permeability integrated pillarless retained roadway methane coal production and

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An Innovative Non-Pillar Coal-Mining Technology with Automatically Formed Entry: A Case Study Article

Xingyu Zhang, Manchao He, Jun Yang, Eryu Wang, Jiabin Zhang, Yue Sun

Engineering 2020, Volume 6, Issue 11, Pages 1315-1329 doi: 10.1016/j.eng.2020.01.014

Abstract: The field application results showed that the retained entry was under the pressure-relief zone due toAfter going through a provisional dynamic pressure-bearing zone, the retained entry entered the stability

Keywords： Non-pillar mining Entry support Retained entry Rock engineering Industrial test