Next Article in Journal
The Effect of Indium Content on the Atomic Environment and Cluster Stability of GeSe4Inx=10,15 Glasses
Previous Article in Journal
Microstructure and Properties of Spark Plasma Sintered Aluminum Containing 1 wt.% SiC Nanoparticles
Article Menu

Export Article

Open AccessArticle
Metals 2015, 5(1), 84-101; doi:10.3390/met5010084

Experimental Investigation of the Mg-Nd-Zn Isothermal Section at 300 °C

1
Department of Mechanical and Industrial Engineering, Concordia University, 1455 de Maisonneuve Blvd. West, Montreal, QC H3G 1M8, Canada
2
Department of Mechanical and Materials Engineering, Masdar Institute, Masdar City, P. O. Box 54224, Abu Dhabi, UAE
*
Author to whom correspondence should be addressed.
Academic Editor: Xing-Qiu Chen
Received: 8 December 2014 / Accepted: 26 December 2014 / Published: 12 January 2015
View Full-Text   |   Download PDF [1755 KB, uploaded 13 January 2015]   |  

Abstract

The Mg-Nd-Zn isothermal section at 300 °C was established in the full composition range using diffusion couples and equilibrated key alloys. Microstructural characterization was carried out using WDS, XRD, and metallographic methods. The homogeneity ranges of the binary and ternary compounds were determined by WDS analysis. Six ternary compounds were observed in the Mg-Nd-Zn system at 300 °C. These are: τ1 (Nd5Mg21+xZn45x; 0 ≤ x ≤ 4), τ2 (Nd5Mg3+yZn25y; 0 ≤ y ≤ 1), τ3 (NdMg1+zZn2z; 0 ≤ z ≤ 0.44), τ4 (Mg40Nd5Zn55), τ5 (Mg22–23.5Nd15.5–17.5Zn59.1–61.8), and τ6 (Nd2(Mg,Zn)23). τ5 was found to have a homogeneity range of 22.0–23.5 atom % Mg, 15.5–17.6 atom % Nd and 59.1–61.8 atom % Zn and τ6 was found to have 54.1–61.3 atom % Mg at a constant Nd of 8.0 atom %. The ternary solubility of Zn in Mg-Nd compounds was found to increase with the decrease in Mg concentration. Accordingly, (Mg41Nd5) was found to have an extended solubility of 3.1 atom % Zn, whereas (Mg3Nd) was found to have 30.0 atom % Zn. MgNd was found to have a complete substitution of Mg by Zn. The maximum solid solubility of Zn in α-Mg was measured as 4.8 atom % Zn. View Full-Text
Keywords: Mg-Nd-Zn system; diffusion couples; experimental investigation; ternary phase diagram Mg-Nd-Zn system; diffusion couples; experimental investigation; ternary phase diagram
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Mostafa, A.; Medraj, M. Experimental Investigation of the Mg-Nd-Zn Isothermal Section at 300 °C. Metals 2015, 5, 84-101.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Metals EISSN 2075-4701 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top