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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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Improvement in fracture toughness of austempered ductile iron by two-step austempering process
International Journal of Cast Metals Research, 2010Abstract Ductile cast iron samples were austenitised at 900°C and subjected to two types of austempering called as conventional austempering and two-step austempering. Five different temperatures, 280, 300, 320, 350, 380 and 400°C, with an austempering time of 2 h, were chosen for conventional austempering.
K. S. Ravishankar +2 more
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Locally Austempered Ductile Iron (LADI)
SAE International Journal of Materials and Manufacturing, 2010<div class="section abstract"><div class="htmlview paragraph">There are numerous component applications that would benefit from localized austempering (heat treating only a portion of the component) for either improved wear properties or fatigue strength.
Christopher A. Bixler +4 more
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Carbo-Austempering™ - A New Wrinkle?
SAE Technical Paper Series, 2002<div class="htmlview paragraph">The Carbo-Austempering<sup>™</sup> process is a high performance steel heat treatment that combines a high carbon bainitic case with either a bainitic or tempered Martensite core to produce a component with an exceptional combination of strength and toughness.</div> <div class="htmlview ...
Kathy Hayrynen +2 more
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Tuijin Jishu/Journal of Propulsion Technology
Austempered ductile iron (ADI), as implied by its name, is a variant of ductile iron known for its enhanced strength and toughness compared to cast iron. Distinguishing itself from cast iron, ductile iron exhibits higher strength and toughness, particularly in tensile tests.
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Austempered ductile iron (ADI), as implied by its name, is a variant of ductile iron known for its enhanced strength and toughness compared to cast iron. Distinguishing itself from cast iron, ductile iron exhibits higher strength and toughness, particularly in tensile tests.
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Engineering Austempered Ductile Iron Castings
2022Abstract Unlike conventional quench and temper heat treatment, austempering is an iron and steel heat-treatment process that enhances mechanical properties through the isothermal transformation of austenite with a minimum amount of quenching stresses. This chapter begins with a discussion of austemperability requirements.
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Carbidic austempered ductile irons
2017Carbidic austempered ductile iron, which attracts considerable attention in wear applications recently, due to its superior abrasive wear resistance and sufficient impact toughness, is the latest member of ductile iron family. A new technology and additional investment are not required for the production of these irons.
TOKTAŞ, Gülcan, TOKTAŞ, Alaaddin
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