Physical--mechanical characteristics dependence on compacting pressure for reinforced with steel yarns pieces

This paper presents researches of the authors about the influence of the compacting pressure and powder granulation above porous pieces reinforced with steel yarns. This type of pieces have been made from steel powder mixtures ANCORSTEEL 1000 B with controlled granulation reinforced at the buffer zo...

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Bibliographic Details
Published inAnnals of DAAAM & proceedings p. 1501
Main Authors Didu, Anca, Didu, Marin, Radu, Stefan
Format Journal Article
LanguageEnglish
Published DAAAM International Vienna 01.01.2010
Subjects
Atomic properties
Composition
Materials
Mechanical properties
Porous materials
Powders
Pressure
Steel
Yarn
Romania
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Summary:This paper presents researches of the authors about the influence of the compacting pressure and powder granulation above porous pieces reinforced with steel yarns. This type of pieces have been made from steel powder mixtures ANCORSTEEL 1000 B with controlled granulation reinforced at the buffer zone with massive yarns with Φ=0,3 mm and multicore yarns with Φ=0,45 mm. The samples have been pressed at 200, 300 and 400 MPa. The pressing was made orthogonally onto the placement direction of the yarns. The compacting has been made in a unidirectional compression mould with section of 7x51 mm. The sintering of samples was made at 1050-1100°C in a controlled argon medium. There were obtained low densities of 5.8...6.5 g/[cm.sup.3]. Key words: reinforced porous pieces, compacting pressure
ISSN:1726-9679
1726-9679