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Influence of stepped austempering process on the fracture toughness of austempered ductile iron
Metallurgical and Materials Transactions A, 2001This research studied the effect of a two-step austempering process on the fracture toughness of ductile iron and compared it to that of the conventional upper- and lower-ausferrite austempered ductile irons (ADIs). The results showed that such a two-step austempering heat-treatment process yielded a fracture-toughness value equivalent to that of the ...
Cheng-Hsun Hsu, Tao-Liang Chuang
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Alloy Digest, 1986
Abstract AUSTEMPERED DUCTILE IRON has high strength with excellent toughness and ductility. Its strength is twice that of conventional ductile irons, comparable to heat-treated wrought steels. Composition is balanced to provide foundry compatibility, minimal segregation and good response to austempering.
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Abstract AUSTEMPERED DUCTILE IRON has high strength with excellent toughness and ductility. Its strength is twice that of conventional ductile irons, comparable to heat-treated wrought steels. Composition is balanced to provide foundry compatibility, minimal segregation and good response to austempering.
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Mechanical Characterization of Austempered Ductile Iron Obtained by Two Step Austempering Process
Transactions of the Indian Institute of Metals, 2017Austempered ductile iron (ADI) is known to have a good combination of mechanical properties due its unique ausferrite microstructure. The strength of ADI is mainly a function of the austempering temperature and the stability of ausferrite matrix. To increase the stability of the ausferritic matrix, two stage austempering processes was developed. During
Vinayak Dakre +3 more
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Advanced Materials Research, 2012
This study focused on tensile strength properties inclusive of ultimate tensile strength and elongation values of niobium alloyed ductile iron in as cast and austempered conditions. The tensile specimens were machined according to TS 138 EN 10002-1 standard.
Bulan Abdullah +5 more
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This study focused on tensile strength properties inclusive of ultimate tensile strength and elongation values of niobium alloyed ductile iron in as cast and austempered conditions. The tensile specimens were machined according to TS 138 EN 10002-1 standard.
Bulan Abdullah +5 more
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2013
Abstract This article provides a detailed discussion on the factors involved in the selection of steels for austempering, including section thickness limitations of steel parts and modifications of austempering practice. The selection of steel for an austempered component is based on the processing characteristics of the heat treating ...
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Abstract This article provides a detailed discussion on the factors involved in the selection of steels for austempering, including section thickness limitations of steel parts and modifications of austempering practice. The selection of steel for an austempered component is based on the processing characteristics of the heat treating ...
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Austempered ductile irons-gears
Materials & Design, 1985Abstract Both the technical and commercial competitive nature of austempered ductile irons for manufacturing gears are described and some of the current applications of these gears are outlined.
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Materials & Design, 2008
Abstract Austempered ductile iron (ADI) has found enormous applications in recent years due to its high strength and hardness, coupled with substantial ductility and toughness. The high strength and hardness of ADI have caused many researchers and engineers to doubt the machinability of this material.
IŞIK, YAHYA, Cakir, MUSTAFA CEMAL
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Abstract Austempered ductile iron (ADI) has found enormous applications in recent years due to its high strength and hardness, coupled with substantial ductility and toughness. The high strength and hardness of ADI have caused many researchers and engineers to doubt the machinability of this material.
IŞIK, YAHYA, Cakir, MUSTAFA CEMAL
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Abstract Martempering and austempering processes may eliminate the need for conventional oil quenching and tempering. This article presents the suitability of steels for martempering and austempering. It discusses the compositions of oils suitable for marquenching and modified marquenching and also presents safety precautions recommended
Lauralice C.F. Canale +2 more
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Lauralice C.F. Canale +2 more
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Advanced Materials Research, 2011
The microstructure and properties of austempered ductile iron with carbides was studied to increase the abrasive resistance of ADI. It was proven that the austempering temperature influences greatly the microstructure, impact toughness, hardness and abrasion resistance of CADI.
Jin Hai Liu +4 more
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The microstructure and properties of austempered ductile iron with carbides was studied to increase the abrasive resistance of ADI. It was proven that the austempering temperature influences greatly the microstructure, impact toughness, hardness and abrasion resistance of CADI.
Jin Hai Liu +4 more
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Austempered Ductile Iron for Gears
SAE Technical Paper Series, 2012<div class="section abstract"><div class="htmlview paragraph">It is discussed the use of ADI (Austempered Ductile Iron) for gears. The gears were produced from continuous cast iron bars, heat treated for grade 3 of ASTM ADI Standard A897M-06 (UTS ≻1200 MPa), and compared to carburized steel AISI 8620 and to induction hardened steel AISI ...
Wilson Luiz Guesser +3 more
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