Results 171 to 180 of about 1,235 (211)

Tribological behaviour of quenched and tempered, and austempered ductile iron at the same hardness level

Wear, 2000
The tribological behaviour of ductile iron heat-treated by two different procedures viz. quenching and tempering, and austempering to an identical matrix hardness of 445 KHN is compared.
A S M A Haseeb
exaly   +2 more sources

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Austempering and Austempered Ductile Iron Microstructure in Copper Alloyed Ductile Iron

Journal of Materials Engineering and Performance, 2003
The variation in the austempered microstructure, the volume fraction of retained austenite, Xλ, the average carbon content of retained austenite, Cλ, their product XλCλ and the size of bainitic ferrite needles with austempering temperature for 0.6% Cu alloyed ductile iron have been investigated for three austempering temperatures of 270, 330, and 380 ...
Uma Batra, S. Ray, S. R. Prabhakar
openaire   +1 more source

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, Fabio Koda, Jairo Alberto Blanco Martinez, Carlos Henrique da Silva   +3 more
openaire   +1 more source

Austempering kinetics of Cu-Ni alloyed austempered Ductile Iron

Metals and Materials International, 2014
The aim of the paper was to investigate the effect of austempering parameters (time and temperature) on the microstructure and mechanical properties of ADI alloyed with 1.5% Cu and 1.6% Ni (in wt.%) in order to establish the optimal processing window.
Erić-Cekić, Olivera, Šiđanin, Leposava, Rajnović, Dragan, Baloš, Sebastian   +3 more
openaire   +2 more sources

AUSTEMPERED DUCTILE IRON

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.
openaire   +1 more source

Austempered ductile irons-gears

Materials & Design, 1985
Abstract 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.
openaire   +1 more source

Wear Properties of Austempered Ductile Irons

SAE Technical Paper Series, 2005
<div class="htmlview paragraph">Austempered cast irons have a unique microstructure (ausferrite) that provides for excellent wear properties. This paper will examine the available data in the literature on wear in several modes: abrasive wear, adhesive wear (frictional or sliding and rolling), and erosive wear.
John R. Keough, Kathy L. Hayrynen
openaire   +1 more source

The austempering study of alloyed ductile iron

Materials & Design, 2006
Austempered ductile iron (ADI) proved to be an excellent material as it possesses attractive properties: high strength, ductility and toughness are combined with good wear resistance and machinability. These properties can be achieved upon adequate heat treatment which yields optimum microstructure for a given chemical composition.
Eric, O, Jovanović, Milan T., Sidanin, L, Rajnović, Dragan, Zec, Slavica   +4 more
openaire   +3 more sources

Austempered ductile iron with tempered martensite

International Journal of Cast Metals Research, 2002
In order to austemper a CuMn ductile iron, a new approach was adopted, consisting of a two-step isothermal process imposed on the austenitised material.
H. Santos, A. Duarte, J. Seabra
openaire   +1 more source

Abrasive wear behavior of austempered ductile iron with niobium additions

Wear, 2019
Carbidic Austempered Ductile Iron (CADI) microstructures containing eutectic carbides can be produced by the addition of carbide stabilizing elements, such as chromium. Carbides formed from the addition of Cr are eutectic of M3C type.
Mathias Woydt
exaly   +2 more sources