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Title of Journal: Int J Miner Metall Mater

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Abbravation: International Journal of Minerals, Metallurgy, and Materials

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University of Science and Technology Beijing

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DOI

10.1007/s12496-014-0033-9

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ISSN

1869-103X

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Microstructural evolution and mechanical propertie

Authors: Man Wang Yongduo Sun Jingkai Feng Ruiqian Zhang Rui Tang Zhangjian Zhou
Publish Date: 2016/02/27
Volume: 23, Issue: 3, Pages: 314-322
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Abstract

The development of GenIV nuclear systems and ultrasupercritical power plants proposes greater demands on structural materials used for key components An Fe–18Ni–16Cr–4Al 316base aluminaforming austenitic steel was developed in our laboratory Its microstructural evolution and mechanical properties during aging at 950°C were investigated subsequently Microstructural changes were characterized by scanning electron microscopy electron backscatter diffraction and transmission electron microscopy Needleshaped NiAl particles begin to precipitate in austenite after ageing for 10 h whereas round NiAl particles in ferrite are coarsened during aging Precipitates of NiAl with different shapes in different matrices result from differences in lattice misfits The tensile plasticity increases by 324 after aging because of the improvement in the percentage of coincidence site lattice grain boundaries whereas the tensile strength remains relatively high at approximately 790 MPa

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  2. Optimization of mixing time in a ladle with dual plugs
  3. Numerical simulation of the direct reduction of pellets in a rotary hearth furnace for zinc-containing metallurgical dust treatment
  4. Deselenization and detellurization of precious-metal ore concentrates by swelling oxidizing roasting and successive alkaline leaching
  5. Upgrading and dephosphorization of Western Australian iron ore using reduction roasting by adding sodium carbonate
  6. Compositional dependence of thermal and elastic properties of Cu-Ti-Zr-Ni bulk metallic glasses
  7. Microstructure and texture evolution of cold-rolled deep-drawing steel sheet during annealing
  8. Separation occurring during the drop weight tear test of thick-walled X80 pipeline steels
  9. Recovery of alkali and alumina from Bayer red mud by the calcification–carbonation method
  10. Microstructural characterization of Cu/Al composites and effect of cooling rate at the Cu/Al interfacial region
  11. Thermodynamic study and methanothermal temperature-programmed reaction synthesis of molybdenum carbide
  12. Similarity solutions for the mixed convection flow over a vertical plate with thermal radiation
  13. Numerical investigation of the effect of transitory strand opening on mixing in a multistrand tundish
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  15. A model to determine hole spacing in the rock fracture process by non-explosive expansion material
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