HARDNESS AND MICROSTRUCTURE OF PARTIALLY AUSTENITIZED 43XX STEEL

A study has been made of microstructures of several partially austenitized 43xx steels. By quenching from temperatures below those at which complete austenitization would occur, microstructures of martensite with ferrite and/ or cementite were obtained. Microstructural analysis enabled the phase boundaries of the pertinent section of the phase diagram to be determined. Hardness changes in the as-quenched structures were correlated with the phase diagram. The major factor controlling the as-quenched hardness is the volume fraction and carbon content of the martensite in the structure.

  • Corporate Authors:

    Army Materials and Mechanics Research Center

    Watertown, MA  USA  02172
  • Authors:
    • Chiao, W F
    • Kula, E
  • Publication Date: 1971-12

Media Info

  • Features: References;
  • Pagination: 19 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00035601
  • Record Type: Publication
  • Source Agency: Ship Structure Committee
  • Report/Paper Numbers: AMMRC TR 71-5 8Tech Rp
  • Files: TRIS
  • Created Date: Oct 27 1972 12:00AM