Microstructure and properties of super martensitic stainless steel microalloyed with tungsten and copper

Ye, D.; Li, J.; Yong, Qilong; Su, Jie; Tao, Jingmei; Zhao, Kun

doi:10.1179/175355511x13240279340886

Cited by 4 publications

(1 citation statement)

References 5 publications

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“…To date, few studies have reported the effect of Cu on the formation of reversed austenite in super martensitic stainless steel. Thus, this study compared the solid solution and precipitation behavior and investigated their effect on microstructures and mechanical properties of Cu-free and Cu-containing super martensitic stainless steel [ 20 , 21 , 22 ]. By comparing super martensitic stainless steels with different Cu content, the effects of Cu on the formation of reversed austenite and mechanical properties were investigated.…”

Section: Introductionmentioning

confidence: 99%

Effect of Cu on the Formation of Reversed Austenite in Super Martensitic Stainless Steel

Jiang

Zhao

2023

Materials

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We investigated the effect of Cu on the formation of reversed austenite in super martensitic stainless steel by using X-ray diffraction (XRD), a transmission electron microscope (TEM) and an energy-dispersive spectrometer (EDS). Our results showed that the microstructure of the steels comprised tempered martensite and diffused reversed austenite after the steels were quenched at 1050 °C and tempered at 550–750 °C. The volume fraction of reversed austenite in the steel with 3 wt.% of Cu (3Cu) was more than that with 1.5 wt.% of Cu (1.5Cu). The transmission electron microscope results revealed that the reversed austenite in 1.5Cu steel mainly had the shape of a thin strip, while that in 3Cu steel had a block shape. The nucleation points and degree of Ni enrichment of reversed austenite in 3Cu steel were higher than those in 1.5Cu steel. The reversed austenite was more likely to grow in ε-Cu enriched regions. Therefore, Cu can promote reversed austenite nucleation and growth. The mechanical properties of 3 Cu steel are obviously better than those of 1.5Cu steel when tempered at 550–650 °C.

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Section: Introductionmentioning

confidence: 99%

Effect of Cu on the Formation of Reversed Austenite in Super Martensitic Stainless Steel

Jiang

Zhao

2023

Materials

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The role of copper in microstructures and mechanical properties of laser-welded Fe-19Ni-3Mo-1.5Ti maraging steel joint

Jing

Wang

et al. 2017

Materials Science and Engineering: A

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Strengthening of cobalt-free 19Ni3Mo1.5Ti maraging steel through high-density and low lattice misfit nanoscale precipitates

Misra

et al. 2018

Materials Science and Engineering: A

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Microstructure and properties of super martensitic stainless steel microalloyed with tungsten and copper

Cited by 4 publications

References 5 publications

Effect of Cu on the Formation of Reversed Austenite in Super Martensitic Stainless Steel

Effect of Cu on the Formation of Reversed Austenite in Super Martensitic Stainless Steel

The role of copper in microstructures and mechanical properties of laser-welded Fe-19Ni-3Mo-1.5Ti maraging steel joint

Strengthening of cobalt-free 19Ni3Mo1.5Ti maraging steel through high-density and low lattice misfit nanoscale precipitates

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