Innovative Solutions To The Ductile Iron Concept

The performance and durability of a machine depends on the quality of parts integrated into them. ADI is a group of material whose mechanical properties can be different over a wide range by a suitable heat treatment choice. A high temperature produces ADI with high ductility, a yield strength with impact strength and good fatigue. A lower transformation temperature results in ADI with very high hardness, high yield strength, contact fatigue strength and excellent water resistance.

Austempered Ductile Iron is also known as Ausferitic ductile iron. It is the most recent addition to the ductile family. It is produced by giving a special austempering treatment to the conventional ductile iron. ADI retains high toughness and high elongation and it is twice strong as the pearlitic ductile iron.  This combination gives a material with fatigue strength and superior wear resistance to the ductile iron, forged and cast aluminum and forged and cast steels.    

For a designer, Austempered Ductile Iron is the most versatile material, enabling innovative solutions to the current and new problems. It competes favorably with the steel forgings, especially for the heavy duty parts where reliability is major requirement. ADI is cost effective, when particularly strength is required. Fatigue strength is fifty percent higher and it can be increased by fillet rolling and shot peening. With it's high strength to weight ratio ADI can also replace aluminum when the reduced section sizes are acceptable. Nearly, after the sixty years, the ADI is still generally regarded as a “NEW MATERIAL”.  ADI can give a range of properties unequaled  by any other material.

Use Advanced Technology To Convert The Ductile Iron's Properties

Austenite is a metallic substance with no magnetic features like the iron solid solutions, iron allotrope and iron with added alloying substances. In plain steel or in carbon steel, austenite is found over the climacteric temperature that reaches the highest degree. Many  steel alloys have different degrees of temperature. Austentization can be defined as heating iron or steel till reaching the temperature in which the crystal structure gets transformed from ferrite to austenite.

It is simply smooth and soft and can dissolve more carbon then predetermined or required. The gamma iron organization is derived through most popular sort of stainless steel to establish health or the equipments for serving food. Austempered Ductile Iron is a family of heat treated cast irons. For designer ADI is a most versatile material, enabling some innovative solutions to the current and new problems. By selecting the precise heat treatment parameters a particular set of properties can be achieved. Nearly, more than fifty years after its discovery, the Austempered Ductile Iron is still widely regarded as a New Material.

 A main reason for this was the slow commercialization of this process. ADI competes favorably with the steel forgings, especially for the heavy duty parts where reliability is main thing and paramount. It is used in upgrading from standard ductile irons, and as a substitute for the nickel-hard materials and manganese steel. The austempering heat treatment converts the ductile iron to austempered ductile iron (ADI), bringing about excellent toughness, fatigue characteristics and strength. The ADI is stronger per unit weight than the aluminium, as wear resistant as the steel and has the potential for up to fifty percent cost savings.