2017
DOI: 10.1590/1980-5373-mr-2016-0726
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Abstract: Powder metallurgy is a growing sector in industrial production, as it offers outstanding energy, cost and material savings in comparison with established processing routes such as casting. Hot work toll steels are usually produced by ingot metallurgy, but also by powder metallurgy, namely hot isostatic pressing and powder forging routes. In this paper we investigate the possibility of production of a hot work tool steel (AISI H13) by conventional (die compaction and pressureless sintering) and metal injection … Show more

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Cited by 7 publications
(5 citation statements)
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“…It can be inferred that there was no interconnected pores inside the steel due to the high relative density of about 95%, and the mechanical properties would be released above 1200°C. The mechanical behaviour was predominantly evaluated by the hardness, as it was significantly influenced by the sintering densification [4].
Figure 7 Sintered density and hardness of PM H13 samples as a function of sintering temperature.
…”
Section: Resultsmentioning
confidence: 99%
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“…It can be inferred that there was no interconnected pores inside the steel due to the high relative density of about 95%, and the mechanical properties would be released above 1200°C. The mechanical behaviour was predominantly evaluated by the hardness, as it was significantly influenced by the sintering densification [4].
Figure 7 Sintered density and hardness of PM H13 samples as a function of sintering temperature.
…”
Section: Resultsmentioning
confidence: 99%
“…In the light of the presented researches, the PM process is mainly employed for the production of high-speed tool steel [17,18] and cold work tool steel [19][20][21]. However, limited researches have been reported on PM hot work tool steel [4,7]. Robert et al have studied the preparation of hot work tool steel with gas atomised H13 powder as raw powder.…”
Section: H13 (Executive Standard Astm A681mentioning
confidence: 99%
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“…H13 mold steel is mainly used for casting, extrusion, hot forming, and plastic molding applications due to its excellent hot-cold manufacturing properties, dimensional stability, and impact toughness resistance [1][2][3][4]. H13 mold steel is usually manufactured by casting and forging processes [5], which result in coarse carbides formation because of its low cooling and solidification rate [6,7].…”
Section: Introductionmentioning
confidence: 99%