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Title of Journal: Metall and Materi Trans B

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Abbravation: Metallurgical and Materials Transactions B

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Springer US

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DOI

10.1007/s12594-014-0073-7

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1543-1916

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Conditions for the Efficient Crushing of the AsCa

Authors: Milan Terčelj Matevz Fazarinc David Bombač Goran Kugler
Publish Date: 2010/08/17
Volume: 41, Issue: 6, Pages: 1328-1337
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Abstract

The hotdeformation behavior of ascast 30Cr10Ni duplex stainless steel was investigated with the aim to understand the conditions better that lead to the occurrence of cracking Because of the increased content of Cr Ni and C the 30Cr10Ni ferrous alloy exhibits a complex microstructure especially in the ascast state in which in addition to the ferrite austenite and sigma phases carbides also are present this leads to a very complex hotdeformation behavior Hotcompression tests on specimens with an ascast initial microstructure in the temperature range 1223 K 950 °C to1573 K 1300 °C and strain rates of 01 to 50 s−1 were carried out To find the most appropriate sequence of initial hotdeformation steps for the effective crushing of the ascast microstructure a special experimental procedure was developed The results indicate that in the temperature range 1423 K 1150 °C to 1523 K 1250 °C the ascast microstructure exhibits increased workability whereas below this temperature the microstructure is prone to cracking As such the ascast microstructure should be crushed in the hightemperature range to avoid the occurrence of cracking

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  2. Investigation into Oxygen-Enriched Bottom-Blown Stibnite and Direct Reduction
  3. Morphological Changes of Panzhihua Ilmenite During Oxidation Treatment
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  6. Laboratory Carburization of Direct-Reduced Iron in CH 4 -H 2 -N 2 Gas Mixtures, and Comparison with Industrial Samples
  7. Predicting the Effect of Pouring Temperature on the Crystallite Density, Remelting, and Crystal Growth Kinetics in the Solidification of Aluminum Alloys
  8. A Critical Review of the Modified Froude Number in Ladle Metallurgy
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  10. Coating tungsten composites for improved low temperature ductility
  11. Vaporization Studies from Slag Surfaces Using a Thin Film Technique
  12. Analysis of Microstructure Effects on Edge Crack of Thin Strip During Cold Rolling
  13. Separation of Phosphorus- and Iron-Enriched Phase from CaO-SiO 2 -FeO-MgO-P 2 O 5 Melt with Super Gravity
  14. A Study for Initial Solidification of Sn-Pb Alloy during Continuous Casting: Part I. The Development of the Technique
  15. An investigation of the validity of certain tempering parameters
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  17. Morphology Control for Al 2 O 3 Inclusion Without Ca Treatment in High-Aluminum Steel
  18. A Semi-empirical Mathematical Model to Estimate the Duration of the Atmosphere within a Double Oxide Film Defect in Pure Aluminum Alloy
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