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Eisengusswerkstoffe
Dokumenten-Nummer: 57843
Tagungsbeitrag
Yoneta, Naoji; Shimizu, Kazumichi; Hara, Hiroya; Tanaka, Masahito; Nawa, Yoshihiro
Publikationssprache: Englisch
Wear Characteristics of Spheroidal Carbides Cast Irons in Uniaxial Rotary Glass Shredder
Verschleißkennwerte von Gusseisen mit kugligen Carbiden in Glas-Shreddern
Spheroidal carbides cast irons (SCIs) are used in severe conditions where often occur erosion and due to their excellent
wear resistance characteristics. In this study, three kinds of SCIs with a variation in matrices are tested and evaluated
as shredding blade of uniaxial rotary glass shredder in recycling factories where often occurs extreme abrasion with the
crushed glass. They are SCI-VCrNi, SCI-VMn, and SCI-Vw with hard (2400Hv) spheroidal vanadium carbides (VC). As a
result, SCI-Vw reveals excellent wear resistance, approximately 1/12 of wear removal in weight, compare to other two
materials of SCI-VCrNi and SCI-VMn. Spheroidal carbides nodularity(70%) and volume fraction of VCs(approximately
20%) are similar in three kinds of SCIs. The hardness of matrix of SCI-Vw (800Hv) is greater than that of SCI-VCrNi
(320Hv) and SCI-VMn (380Hv). Therefore the experimental results are interpreted that hardness of matrix are dominant
factor for abrasion. Based on this experimental study, SCI-Vw is an effective material for abrasion occurred on the blade
of the glass shredder.
Muroran Institute of Technology, JP; R&E, Noboribetsu, JP; Sankyo, Osaka, JP; Nomura Khosan, Kitami, JP
Erscheinungsjahr 2010
S. S.249-254
Seiten/Bilder/Tabellen/Quellen: 6S
Eisengusswerkstoffe
Dokumenten-Nummer: 57847
Tagungsbeitrag
Zhang, Jian-jun; Gao, Yi-Min; Ma, Sheng-Qiang; Li, Ye-Fei; Liu, Li
Publikationssprache: Englisch
Effects of Forging and Heat Treatment on Microstructure and Properties of High Boron White Cast
Iron
Einfluss des Schmiedens und der Wärmebehandlung auf das Mikrogefüge und die Eigenschaften von borreichem weißen
Gusseisen
The effects of forging and heat treatment on microstructure and properties of high boron white cast iron were
investigated in this paper. The results show that forging breaks up boride network and makes broken boride particles
uniformly distributed in matrix. During subsequent heat treatment, spheroidized boride is able to be obtained. The
hardness of high boron white cast iron increases slightly (from 51.4 HRC to 54.7 HRC) while the toughness increases
obviously (from 5 J/cm(exp 2) to 107 J/cm(exp 2)) by combined process of forging and heat treatment. Fracture
morphology changes from brittle fracture to ductile fracture.
Xian Jiaotong University, CN
Erscheinungsjahr 2010
S. S.225-230
Seiten/Bilder/Tabellen/Quellen: 6S
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