Method of determining the carbon equivalent, carbon content...

Details Method of determining the carbon equivalent, carbon content... Method of determining the carbon equivalent, carbon content...

G - Physics

01

N

G01N 25/04 (2006.01) G01N 25/06 (2006.01) G01N 33/20 (2006.01)

Patent

CA 2080490

ABSTRACT In measuring a cooling curve by means of thermal analysis of cast iron, a compressed powder moulding or sintered moulding of tellurium, bismuth, boron, zinc and/or aluminium is fixed to -the inner surface of a cooling curve measuring cup, and a melt is poured into said cup when primaly crystalized and eutectic temperatures based on the metastable solidification of iron, cementite and silicon cleary appear. This method allows the carbon equivalent, carbon content and silicon content of the cast iron to be determined and the physical and mechanical properties of the iron to be estimated. Additionally, said compressed metallic powder moulding or sintered moulding is arranged at and fixed to said cooling curve measuring cup used in the method, while enclosing a thermocouple.

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