Startseite Effects of Si and Zn on Machinability and Wear Resistance of AZ91 and AS91 Magnesium Alloys
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Effects of Si and Zn on Machinability and Wear Resistance of AZ91 and AS91 Magnesium Alloys

  • Birol Akyuz
Veröffentlicht/Copyright: 28. September 2014
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Materials Testing
Aus der Zeitschrift Materials Testing Band 56 Heft 9

Abstract

In this study, the effect of zinc (Zn) and silicon (Si) in the industrially very important magnesium alloys AZ91 (9 % Al, 1 % Zn) and AS91 (9 % Al, 1 % Si) has been investigated, with respect to wear resistance and machinability. The hardness of the intermetallic phases found in the microstructure of the alloys AZ91 and AS91 was observed to affect the wear resistance and machinability. It turned out that Mg2Si found in the microstructure of AS91 alloy reduced the machinability while this intermetallic phase increased the hardness and the wear resistance.

Kurzfassung

In der diesem Beitrag zugrunde liegenden Studie wurde der Effekt von Zink (Zn) und Silizium (Si) in den industriell bedeutenden Magnesiumlegierungen AZ91 (9 % Al, 1 % Zn) und AS91 (9 % Al, 1 % Si) hinsichtlich des Verschleißwiderstandes und der Bearbeitbarkeit untersucht. Es stellte sich heraus, dass sich die Härte der intermetallischen Phasen, die sich im Gefüge der Legierungen AZ91 und AS91 ausbilden, auf den Verschleißwiderstand und die Bearbeitbarkeit auswirken. Mg2Si im Gefüge der Legierung AS91 reduziert die Bearbeitbarkeit, während diese intermetallische Phase die Härte und den Verschleißwiderstand erhöht.

*Correspondence Address Dr. Birol Akyuz Mechanical and Manufacturing Engineering Bilecik Seyh Edebali University 1100, Bilecik, Turkey E.mail:

Dr. Birol Akyuz received his BSc degree in mechanical education from Marmara University, Istanbul, Turkey in 1993, his MSc in mechanical education and a second MSc degree in management and organization from Marmara University, Istanbul, Turkey in 1999. In 2007, he finished his PhD degree in mechanical education at Marmara University, Turkey. Since September 2007, he has been working as assistant professor in the Mechanical and Manufacturing Engineering Department of Bilecik Seyh Edebali University, Turkey. His research interests include machining magnesium alloys, heat treatment of magnesium and aluminum alloys, advanced manufacturing technology and production, as well as planning control.

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Published Online: 2014-09-28
Published in Print: 2014-09-01

© 2014, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Inhalt/Contents
  2. Inhalt
  3. Fachbeiträge/Technical Contributions
  4. Burst Strength of Composite Cylinders – Assessment of the Type of Statistical Distribution
  5. Effects of Zn/Cu Ratio and Silicon on Microstructure, Mechanical Properties, Tarnish and Corrosion Resistance of As-Cast 940 Silver Alloys
  6. Analysis of the Frequency as an Integral Method for the Testing of Anisotropic 3D Sheet Metal Structure
  7. Mechanical and Thermal Properties of a Cu-CNT Composite with Carbon Nanotubes Synthesized by CVD Process
  8. The Mechanical and Electrical Properties of the Ternary Bi-Ga-Sb System
  9. Experimental Investigation of the Corrosion Mechanism of Cemented Soils in Magnesium Sulfate Solution
  10. Experimental and Analytical Study of Masonry Constructions Reinforced with Bed Joints
  11. The Fracture Toughness of Fe2B Formed on Boronized AISI 304
  12. Effects of Ferroboron and Ferrochromium Powder Addition on Abrasive Wear Resistance of Fe-Based Hardfacing Coatings
  13. Fabrication of Al/Mg Bimetal Compound Casting by Lost Foam Technique and Liquid-Solid Process
  14. Effects of Si and Zn on Machinability and Wear Resistance of AZ91 and AS91 Magnesium Alloys
  15. DIRECTT-Rekonstruktionen im Vergleich zur gefilterten Rückprojektion
  16. Reduzierung von Missing-Wedge-Artefakten der CT mit DIRECTT
  17. Röntgentomografische Untersuchung eines kommerziellen Lithium-Ionen-Kondensators*
  18. Machining Parameter Optimization of Bidirectional CFRP Composite Pipe by Genetic Algorithm
  19. Investigation of Lost Foam Casted Aluminum Bimetal Microstructures
  20. Taguchi-Based Grey Relation Optimization of Machining Parameters and Cutting Path Strategies in CNC Pocket Milling Operations
  21. Reliable Evaluation of Acceptability of Weld for Final Disposal Based on the Canister Copper Weld Inspection Using Different NDT Methods
  22. Evaluation of the Reliability of NDTesting in Russian Railway Transport
  23. Vorschau/Preview
  24. Vorschau
https://doi.org/10.3139/120.110627

Artikel in diesem Heft

  1. Inhalt/Contents
  2. Inhalt
  3. Fachbeiträge/Technical Contributions
  4. Burst Strength of Composite Cylinders – Assessment of the Type of Statistical Distribution
  5. Effects of Zn/Cu Ratio and Silicon on Microstructure, Mechanical Properties, Tarnish and Corrosion Resistance of As-Cast 940 Silver Alloys
  6. Analysis of the Frequency as an Integral Method for the Testing of Anisotropic 3D Sheet Metal Structure
  7. Mechanical and Thermal Properties of a Cu-CNT Composite with Carbon Nanotubes Synthesized by CVD Process
  8. The Mechanical and Electrical Properties of the Ternary Bi-Ga-Sb System
  9. Experimental Investigation of the Corrosion Mechanism of Cemented Soils in Magnesium Sulfate Solution
  10. Experimental and Analytical Study of Masonry Constructions Reinforced with Bed Joints
  11. The Fracture Toughness of Fe2B Formed on Boronized AISI 304
  12. Effects of Ferroboron and Ferrochromium Powder Addition on Abrasive Wear Resistance of Fe-Based Hardfacing Coatings
  13. Fabrication of Al/Mg Bimetal Compound Casting by Lost Foam Technique and Liquid-Solid Process
  14. Effects of Si and Zn on Machinability and Wear Resistance of AZ91 and AS91 Magnesium Alloys
  15. DIRECTT-Rekonstruktionen im Vergleich zur gefilterten Rückprojektion
  16. Reduzierung von Missing-Wedge-Artefakten der CT mit DIRECTT
  17. Röntgentomografische Untersuchung eines kommerziellen Lithium-Ionen-Kondensators*
  18. Machining Parameter Optimization of Bidirectional CFRP Composite Pipe by Genetic Algorithm
  19. Investigation of Lost Foam Casted Aluminum Bimetal Microstructures
  20. Taguchi-Based Grey Relation Optimization of Machining Parameters and Cutting Path Strategies in CNC Pocket Milling Operations
  21. Reliable Evaluation of Acceptability of Weld for Final Disposal Based on the Canister Copper Weld Inspection Using Different NDT Methods
  22. Evaluation of the Reliability of NDTesting in Russian Railway Transport
  23. Vorschau/Preview
  24. Vorschau
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