austempering

austempering

[‚ȯs′tem·pə·riŋ]
(metallurgy)
A process for the heat treatment of austenitic steel.
References in periodicals archive ?
Applied is a technology leader in the austempering process, a specialised heat treatment technology to solve complex engineering problems.
Also any defective DI casting which will be converted to ADI by austempering heat treatment, demands suitable electrode compatible to DI casting for repairing.
"Some 'old-fashioned' treatments, such as austempering or martempering, will give excellent distortion control; and with austempering will give phenomenal fracture toughness.
(Fort Smith, Arkansas) an austempering heat treatment technology company, is expanding with a multi-million-dollar heat treatment plant in Fort Smith, Arkansas.
Heat treatment which provides the highest toughness and strength is austempering [3-5].
Austempered Ductile Iron (ADI) undergoes austempering at 300[degrees]C forms a lower amount of retained austenite with hardness 462HV, but on prolonged heating higher amount of retained austenite is obtained, causing higher ductility and lower strength of ADI [42].
The aim of the present study was to study microstructure changes in a specific type of bainitic steel under the title low temperature nanostructured bainitic steel during austempering operation at low temperature (in the range of bainitic evolution) and in long time.
Austempering process is the isothermal transformation of a ferrous alloy at a temperature below that of the pearlite formation and above that of the martensite formation [1].
ADI castings offer an interesting combination of mechanical properties derived from both, a precise percentage of alloying and a controlled thermal treatment ('austempering').
Tipton-based Alpha-Rowen is one of the largest UK sub-contractors in austempering - a process used to harden tools for the spring and presswork market.
Development of a Ductile Iron for Commercial Austempering, Trans.
The austempering process has been successfully used to increase the performance and light-weighting of components across many different end markets, such as agriculture and construction equipment, mining, heavy truck, gears, powertrain, railroad and machinery.