1997
DOI: 10.1007/bf02467199
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Thermal expansion of cementite in hypereutectoid iron-carbon alloy

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Cited by 15 publications
(5 citation statements)
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“…Thermal stress arises due to high quenching severity. Further stress factor is attributed to the difference in CTE between steel‐based matrix (11.7 × 10 −6 K −1 ) and cementite particle (5.3 × 10 −6 K −1 ) . Finally, the transformation stress arises due to volume expansion during diffusionless displacive martensitic transformation .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Thermal stress arises due to high quenching severity. Further stress factor is attributed to the difference in CTE between steel‐based matrix (11.7 × 10 −6 K −1 ) and cementite particle (5.3 × 10 −6 K −1 ) . Finally, the transformation stress arises due to volume expansion during diffusionless displacive martensitic transformation .…”
Section: Resultsmentioning
confidence: 99%
“…Further stress factor is attributed to the difference in CTE between steel-based matrix (11.7 Â 10 À6 K À1 ) and cementite particle (5.3 Â 10 À6 K À1 ). [15,16] Finally, the transformation stress arises due to volume expansion during diffusionless displacive martensitic transformation. [17] As a consequence, dislocations are originated in lath martensite at cementite particle-matrix interface (Figure 4b) due to differential contraction between cementite particle and matrix during quenching.…”
Section: Microstructure Evolutionmentioning
confidence: 99%
“…The probable reason of dislocation generation is the development of stress during oil quenching (non‐equilibrium cooling) of the steel. The co‐efficient of thermal expansion of iron based matrix (11.7 × 10 −6 K −1 ) and that of cementite (5.3 × 10 −6 K −1 ) are different . Therefore, owing to differential contraction between martensite matrix and cementite spheroid, dislocations are generated in martensite matrix during oil quenching in the vicinity of cementite spheroid–matrix interface.…”
Section: Resultsmentioning
confidence: 99%
“…Cementite also forms when a mixture of iron and graphite heated under a pressure of less than 5 GPa at about 1000 C, Figure 16(b) [115]. Cementite powders have been made traditionally by electrochemical extraction from steel containing cementite [123].…”
Section: Preparation Of Cementitementioning
confidence: 99%