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Influence of temperature and aging time on hardness and magnetic properties of the maraging steel grade 300 |
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| Authors: | J M Pardal S S M Tavares M P Cindra Fonseca M R da Silva J M Neto H F G Abreu |
| Affiliation: | (1) Departamento de Engenharia Mecanica/PGMEC, Universidade Federal Fluminense – UFF, Rua Passo da Pátria, 156, CEP 24210-240 Niteroi, Brazil;(2) Universidade Federal de Itajubá, UNIFEI, Itajuba, MG, Brazil;(3) Instituto de Física-UFRJ, Rio de Janeiro, Brazil;(4) Universidade Federal do Ceará, UFC, Fortaleza, CE, Brazil |
| Abstract: | The magnetic properties and hardness of a Ni–Co–Mo–Ti maraging steel 300 grade were measured as function of aging temperature. The austenite and martensite phase quantifications in the different heat treatment conditions were carried out by X-ray diffraction using direct comparison method. The behavior of the hardening, magnetization saturation and coercive force against aging temperature and time were explained taking into account the variation of austenite volume fraction with aging time and temperature. |
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