NATURE OF DELAYED FRACTURE OF QUENCHED STEEL

The fracture of steel quenched to martensite under the influence of static stress is called delayed fracture. It is often the reason for premature failure of quenched steel machine parts, the formation of cracks in welds, steel bars, etc. The authors investigated the reasons for the formation and growth of cracks during delayed fracture of steels 40Kh2N5SM (0.39% C, 0.95% Si, 0.05% Mn, 5.1% Ni, 2.1% Cr, 1. 2% Mo) and 18KhNVA (0.19%C, 0.52% Mn, 1.61% Cr, 4.47% Ni, and 0.84% W).

• Corporate Authors:

  Consultants Bureau

  227 West 17th Street
  New York, NY  United States  10011
• Authors:
  • Sarrak, V I
  • Filippov, G A
• Publication Date: 1976-11

Media Info

• Pagination: 5 p.
• Serial:
  • Metal Science and Heat Treatment
  • Volume: 18
  • Issue Number: 11-1
  • Publisher: Consultants Bureau

Subject/Index Terms

• TRT Terms: Cracking; Fracture mechanics; Fracture tests; Rail steel; Steel
• Uncontrolled Terms: Crack propagation
• Old TRIS Terms: Rail steel metallurgy
• Subject Areas: Materials; Railroads;

Filing Info

• Accession Number: 00167560
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Jan 13 1978 12:00AM