A high temperature mechanical study on PH 13-8 Mo maraging steel

Z. Huang, M. D. Abad, J. K. Ramsey, M. Rebelo de Figueiredo, D. Kaoumi, N. Li, M. Asta, N. Gronbech-Jensen, P. Hosemann

Research output: Indexed journal article Articlepeer-review

19 Citations (Scopus)


High temperature mechanical measurements were conducted to study the effect of the dynamic precipitation process of PH 13-8 Mo maraging steel. Yield stress, ultimate tensile strength, total elongation, hardness, strain rate sensitivity and activation volume were evaluated as a function of the temperature. The dynamic changes in the mechanical properties at different temperatures were evaluated and a balance between precipitation hardening and annealed softening is discussed. A comparison between hardness and yield stress and ultimate tensile strength over a temperature range from 300 to 600. °C is made. The behavior of the strain rate sensitivity was correlated with the intermetallic precipitates formed during the experiments.

Original languageEnglish
Pages (from-to)574-582
Number of pages9
JournalMaterials Science and Engineering A
Publication statusPublished - 10 Jan 2016
Externally publishedYes


  • Aging
  • Hardening
  • Martensite
  • Mechanical characterization
  • Nanoindentation
  • Precipitation


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