Damage parameters of lamellar grey cast iron in tension

The tensile rupture behavior of lamellar grey cast iron depends on the overall damage process of the heterogeneous microstructure. It is therefore of interest to apply the "continuum damage mechanics" concept to this type of material. Two parameters are considered: firstly damage limit, si...

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Bibliographic Details
Published in:Journal of materials science 1985-11, Vol.20 (11), p.4139-4146
Main Authors: FONTAINE, A, ZAMBELLI, G
Format: Article
Language:English
Subjects:
Applied sciences
casting
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
fracture
graphite
Heat treatment
iron
Materials science
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Production techniques
Specific materials
tensile strength
Thermochemical treatment and diffusion treatment
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Summary:The tensile rupture behavior of lamellar grey cast iron depends on the overall damage process of the heterogeneous microstructure. It is therefore of interest to apply the "continuum damage mechanics" concept to this type of material. Two parameters are considered: firstly damage limit, sigma sub(0), and the damage rate, B). Measurements made on a grey cast iron, cast in three different cross-sections, show that these damage parameters may be used to separate the graphite network effects from those of the matrix which interact in the degradation process of the heterogeneous microstructure of lamellar grey cast iron.
ISSN:0022-2461
1573-4803
DOI:10.1007/BF00552409