Method to determine the carbon equivalent content of a cast iron alloy having a hypereutectic composition and equipment to carry it out

Patent:

EP3339848B1
Patent granted:

2020/12
Tags

Aitor Loizaga, Beñat Bravo, Foundry Technologies, Iron foundry, R&D+i, Susana Méndez, Thermolan, Urko de la Torre

The invention relates to a methodology based on thermal analyisis to determine the carbon equivalent content of a cast iron alloy which comprises the steps of pouring a first sample in a composition cup and a second sample in a thermal cup, obtain both solidification curves, and as a function of the liquidus temperature and the eutectic minimum temperature for both curves, determine if the model to apply is a linear model for hypoeutectic and eutectic zones or a linear model for hypereutectic zone. It also related to an equipment for carrying out said method.

Authors:

Beñat Bravo, Urko De la Torre, Susana Méndez, Aitor Loizaga.

Keywords:

Thermal analysis, thermal cup, cast iron, carbon equivalent, solidification curve, cooling rate.

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Method to determine the carbon equivalent content of a cast iron alloy having a hypereutectic composition and equipment to carry it out

Patent:

Patent granted:

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