SYMPOSIA PAPER Published: 01 January 1966

Transmission Electron Microscope Study of the Structures Produced During the First Stage of Tempering in a 1.40 Weight Per Cent Carbon Steel


The structure of a 1.40 weight per cent carbon steel during the first stage of tempering (up to 200 C) was studied by transmission electron microscopy. Distributions consisting of either randomly arranged spherical or aligned platelike carbide particles were observed after tempering at 150 C. The origin of both of these types of distributions can be explained by heterogeneous nucleation on and growth of carbide particles along the dislocation networks of the tempered martensite.

Author Information

Jackson, M., R.
Lehigh University, Bethlehem, Pa.
Krauss, G.
Lehigh University, Bethlehem, Pa.
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Developed by Committee: E04
Pages: 62–73
DOI: 10.1520/STP46419S
ISBN-EB: 978-0-8031-6799-5
ISBN-13: 978-0-8031-6623-3