New Microalloyed Steel Applications for the Automotive Sector

Author:

Matlock David K.1,Krauss George1,Speer John G.1

Affiliation:

1. Colorado School of Mines

Abstract

Developments related to the use of microalloy additions, primarily of Ti, Nb, and V, and controlled processing are reviewed to illustrate how steels with tailored microstructures and properties are produced from either bar or sheet steels for new automotive components. Microalloying additions are shown to control the necessary strengthening mechanisms to produce high strength materials with the desired toughness or formability for a specific application. Selected examples of direct cooled forging steels, microalloyed carburizing steels, and advanced high strength sheet (AHSS) steels are discussed.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference48 articles.

1. T. Gladman: The Physical Metallurgy of Microalloyed Steels, Book 615, The Institute of Metals, London (1997).

2. R. Lagneborg, T. Siwecki, S. Zajac and B. Hutchinson: Scand. J. of Met., Vol. 28 (1999), p.186.

3. Great Designs in Steels Seminars, 2002-2005, AISI, Southfield, MI (2005) .

4. Fundamentals and Applications of Microalloying Forging Steels, C. J. Van Tyne, G. Krauss, and D. K. Matlock, Editors, TMS-AIME, Warrendale, PA (1996).

5. Microalloying in Steels, M. Rodriguez-Ibabe, I. Gutierrez, and B. Lopez, Editors, Trans-Tech Publications, Switzerland (1998).

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