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cess Technology for Manufacturing of Engineering
Components from Austempered Ductile Iron (ADI)
a microstructure that is stronger and components revealed encouraging
tougher than the structures resulting results.
typically from conventional heat Advantages of ADI technology –
treatment. Mechanical properties ¡¡ Easy to produce complex geometry
of ADI product depends mainly on
composition and heat treatment components
parameters. ADI manufacturing ¡¡ Mechanical properties compara-
technology consist of Computerised
methoding-Pattern making- Selection ble to some grades of steel
of raw material – Melting and Casting ¡¡ 20% Cheaper than forged steel
of SG iron component – Machining of
component - Austempering treatment parts
– Finishing operation- Inspection. By ¡¡ Needs less energy than forged
controlling the process parameters
and composition it is also possible to steel parts
produce high quality SG iron castings ¡¡ Superior wear / abrasion resistance
which is essential for manufacturing ¡¡ 10% lighter than steel
ADI products. Based on the mechanical
properties, ADI material are classified Environmental Consideration:
into 6 different grades(as per ASTM
897-06). Each grade can be produced Electrically operated furnaces are
through closer control of composition, acceptable to our industries for
casting parameters and heat treatment regular production of large volume
parameters. of engineering components through
casting and heat treatment route. Total
CSIR-CMERI has successfully developed energy requirement for ADI process
the comprehensive process technology route is much less compared to the total
for manufacturing of ADI components energy required to produce steel parts.
like L type Rotavator blades for ADI process technology environment
agricultural sector, Crank shaft for 35 friendly. More over the ADI parts can
hp tractor engine, Hammers for mining be easily recycled by local MSME.
sector and Gudgeon pin for heavy
duty compressor. Field trials of these Level/Scale of Development: TRL-8
Production ready
Status of Commercialization:
Technology has been transferred to
EI 40
Components from Austempered Ductile Iron (ADI)
a microstructure that is stronger and components revealed encouraging
tougher than the structures resulting results.
typically from conventional heat Advantages of ADI technology –
treatment. Mechanical properties ¡¡ Easy to produce complex geometry
of ADI product depends mainly on
composition and heat treatment components
parameters. ADI manufacturing ¡¡ Mechanical properties compara-
technology consist of Computerised
methoding-Pattern making- Selection ble to some grades of steel
of raw material – Melting and Casting ¡¡ 20% Cheaper than forged steel
of SG iron component – Machining of
component - Austempering treatment parts
– Finishing operation- Inspection. By ¡¡ Needs less energy than forged
controlling the process parameters
and composition it is also possible to steel parts
produce high quality SG iron castings ¡¡ Superior wear / abrasion resistance
which is essential for manufacturing ¡¡ 10% lighter than steel
ADI products. Based on the mechanical
properties, ADI material are classified Environmental Consideration:
into 6 different grades(as per ASTM
897-06). Each grade can be produced Electrically operated furnaces are
through closer control of composition, acceptable to our industries for
casting parameters and heat treatment regular production of large volume
parameters. of engineering components through
casting and heat treatment route. Total
CSIR-CMERI has successfully developed energy requirement for ADI process
the comprehensive process technology route is much less compared to the total
for manufacturing of ADI components energy required to produce steel parts.
like L type Rotavator blades for ADI process technology environment
agricultural sector, Crank shaft for 35 friendly. More over the ADI parts can
hp tractor engine, Hammers for mining be easily recycled by local MSME.
sector and Gudgeon pin for heavy
duty compressor. Field trials of these Level/Scale of Development: TRL-8
Production ready
Status of Commercialization:
Technology has been transferred to
EI 40
