Influence of aging on mechanical properties, wear and residual stress of a Heusler Al-Cu-Fe alloy


HÜSEM F. , MEYDANERİ TEZEL F. , TURAN M. E.

MATERIALS TESTING, cilt.61, ss.56-60, 2019 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 61 Konu: 1
  • Basım Tarihi: 2019
  • Doi Numarası: 10.3139/120.111281
  • Dergi Adı: MATERIALS TESTING
  • Sayfa Sayıları: ss.56-60

Özet

In this study, the ferromagnetic Heusler alloy Al-Cu-Fe was aged at a temperature of 300 degrees C for 0.5 h, 1 h, 1.5 h, 2 h and 2.5 h, respectively. The mechanical and structural properties, residual stress state and wear performance of the specimens were investigated. The results show that precipitation has a crucial influence on the mechanical properties and wear performance of a Heusler alloy. The hardness and wear resistance of the specimens improve with an increase of precipitation density. These precipitates are associated with Cu-rich and Al-Cu lamellar structures. The density of these precipitates reveal two certain Al2Cu peaks at an aging time of 90 minutes, and 150 minutes for the annealed specimens.