Gas nitriding of magnesium-titanium alloys fabricated by bulk mechanical alloying

T. Luangvaranunt; P. Visuttipitukul; K. Kondoh; H. Kuwahara; T. Aizawa

doi:10.2320/matertrans.42.1312

Gas nitriding of magnesium-titanium alloys fabricated by bulk mechanical alloying

T. Luangvaranunt, P. Visuttipitukul, K. Kondoh, H. Kuwahara, T. Aizawa

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Mg-Ti alloys and pure Mg were successfully gas nitrided at 723 K for 129.6 ks under 0.1 MPa N₂. Ti was selected as alloying element due to its high nitrogen affinity. Fine Ti particles in 10 μm range were homogeneously distributed in the alloys. Bulk Mechanical Alloying process was used to produce the sample having activated state of Mg, providing high diffusion path for nitrogen. Mg₂N₂ produced is not stable and reacts with moisture, resulting in fine powders of Mg(OH)₂ on the surface and NH₃(g) as by product.

Original language	English
Pages (from-to)	1312-1316
Number of pages	5
Journal	Materials Transactions
Volume	42
Issue number	7
DOIs	https://doi.org/10.2320/matertrans.42.1312
Publication status	Published - 2001 Jan 1

Keywords

Bulk mechanical alloying
Gas nitriding
Magnesium
Magnesium alloy
Magnesium nitride

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "Mg-Ti alloys and pure Mg were successfully gas nitrided at 723 K for 129.6 ks under 0.1 MPa N2. Ti was selected as alloying element due to its high nitrogen affinity. Fine Ti particles in 10 μm range were homogeneously distributed in the alloys. Bulk Mechanical Alloying process was used to produce the sample having activated state of Mg, providing high diffusion path for nitrogen. Mg2N2 produced is not stable and reacts with moisture, resulting in fine powders of Mg(OH)2 on the surface and NH3(g) as by product.",

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AU - Luangvaranunt, T.

AU - Visuttipitukul, P.

AU - Kondoh, K.

AU - Kuwahara, H.

AU - Aizawa, T.

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N2 - Mg-Ti alloys and pure Mg were successfully gas nitrided at 723 K for 129.6 ks under 0.1 MPa N2. Ti was selected as alloying element due to its high nitrogen affinity. Fine Ti particles in 10 μm range were homogeneously distributed in the alloys. Bulk Mechanical Alloying process was used to produce the sample having activated state of Mg, providing high diffusion path for nitrogen. Mg2N2 produced is not stable and reacts with moisture, resulting in fine powders of Mg(OH)2 on the surface and NH3(g) as by product.

AB - Mg-Ti alloys and pure Mg were successfully gas nitrided at 723 K for 129.6 ks under 0.1 MPa N2. Ti was selected as alloying element due to its high nitrogen affinity. Fine Ti particles in 10 μm range were homogeneously distributed in the alloys. Bulk Mechanical Alloying process was used to produce the sample having activated state of Mg, providing high diffusion path for nitrogen. Mg2N2 produced is not stable and reacts with moisture, resulting in fine powders of Mg(OH)2 on the surface and NH3(g) as by product.

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KW - Gas nitriding

KW - Magnesium

KW - Magnesium alloy

KW - Magnesium nitride

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