Thixomolded magnesium alloys: Strategic product innovation in automobiles

JOM

Volumn 60, Issue 11, 2008, Pages 70-76

  D'Errico, Fabrizio ^a   Rivolta, B ^a   Gerosa, R ^a   Perricone, G ^b  

^a POLITECNICO DI MILANO   (Italy)

^b Brembo SpA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ALLOYS; AUTOMOBILE PARTS AND EQUIPMENT; LIGHT METALS; MAGNESIUM; MAGNESIUM ALLOYS; METALLIC COMPOUNDS;

AUTOMOTIVE APPLICATIONS; EMBRYONIC STAGES; HIGH RELIABILITIES; LIGHTWEIGHT APPLICATIONS; PRODUCT INNOVATIONS; THIXOMOLDING;

MAGNESIUM PRINTING PLATES;

EID: 56249126343     PISSN: 10474838     EISSN: 15431851     Source Type: Journal    
DOI: 10.1007/s11837-008-0152-6     Document Type: Review

References (38)

1. IPCC Fourth Assessment Report, Climate Change 2007: Synthesis Report - Summary for Policy Makers: online version at http://www.ipcc.ch/ pdf/assessmentreport/ar4/syr/ar4_syr_spm.pdf.
2. Nicolas Van Praet, "CAW Girds for War," Financial Post (June 4, 2008), http://www.financialpost.com/related/links/ story.html?id=562830.
3. "Lexus Earns Best-Selling Luxury Brand Title for Sixth Consecutive Year - Surpasses 300,000 Sales in Record-Breaking Year," Lexus (January 4, 2006), http://www.lexus.com/about/news/articles/2006/1/ 20060104_1.html.
4. Chris Isidore, "GM: Trucks Out, Cars In," CNNMoney. com (June 3, 2008), http://money.cnn.com/2008/06/03/news/companies/ gm_announcement/index.htm.
5. Robert Schoenberger, "As Buyers Shun SUVs, Expect to Pay More for that Small Car," Cleveland.com (June 06, 2008), http:// blog.cleveland.com/business/2008/06/ as_buyers_shun_suvs_expect_to.html.
6. Christiaan Hetzner, "BMW to Build Upcoming X1 Compact SUV in Leipzig," Reuters UK (May 30, 2008), http://uk.reuters.com/ article/rbssConsumerGoodsAndRetailNews/idUKWEA844720080530.
7. Connie Keane, "VW Enters Compact SUV Market with Tiguan," The Washington Times (August 15, 2008), http://www. washingtontimes.com/news/2008/aug/15/ vw-enters-compact-suv-market-with-tiguan/.
8. Viknesh Vijayenthiran, "More Details on BMW's Future Compact SUVs," MotorAuthority.com (June 5, 2008), http://www. motorauthority.com/news/suvs/bmws-future-compact-suvs/.
9. "The California Greenhouse Gas Initiative and Its Implications to the Automotive Industry," Center for Automotive Research (June 2005), http://www.cargroup.org/documents/Argonne.pdf.
10. John DeCicco, Freda Fung, and Feng An, Automakers' Corporate Carbon Burden " (New York: Environmental Defense, 2005), http:// www.cleancarcampaign.org/releases/CarbonBurdensExec.pdf.
11. U.S. Department of Energy (DOE) (2000-07-12), "Federal Register Vol. 64 No. 113" (pdf version). U.S. GPO (accessed on 22 September 2006), http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname= 2000_register&docid=00-14446-filed.pdf.
12. "Full Size Electric Vehicles," Advanced Vehicle Testing Activity Reports (Idaho Falls, ID: Idaho National Laboratory, accessed 5 July 2006), http://avt.inl.gov/fsev.shtml.
13. H. Wallentowitz, Structural Design of Vehicles (Aachen, Germany: Institut für Kraftfahrwesen Aachen, 2004).
14. A. Fischersworring-Bunk et al., "The New BMW Inline Six-cylinder Composite Mg/Al Crankcase" (BMW Publication), http:// www.aluplanet.com/documenti/InfoAlluminio/bmw_completo.pdf.
15. Ministry of Land, Infrastructure, Transport and Tourism (Tokyo), http://www.mlit.go.jp/jidosha/nenp/nenpilist/05-1.pdf.
16. G. Cole, Magnesium Vision 2020: A North American Automotive Strategic Vision for Magnesium, ed. J. Quinn, E. Hetrick, and S. Bairley (Southfield, MI: USAMP, 2006), http://iweb.tms.org/Communities/ FTAttachments/MG_2020_-_Released_11_1 _[1].1.06.pdf.
17. R.J. Urbance et al., "Market Model Simulation: The Impact of Increased Automotive Interest in Magnesium," JOM, 54 (8) (2002), pp. 25-33.
18. USGS, Mineral Industry Survey, "Magnesium in the Third Quarter 2007," http://minerals.usgs.gov/minerals/pubs/commodity /magnesium/mis-2007q3-mgmet.pdf.
19. USGS, "Magnesium in the First Quarter 2008," http:// minerals.usgs.gov/minerals/pubs/commodity/magnesium/ mis-2008q1-mgmet.pdf.
20. S. Busk, Magnesium Products Design (New York: Marcel Dekker, Inc., 1987).
21. R.F. Decker and S.E. LeBeau, "Thixomolding," Advanced Material Processes, 166 (4) (2008), pp. 28-29.
22. D. DeBernardi, "Strategic Product Innovation in Global Market: Potential Applications of Ultraligth-Weight Alloys for Automotive" (Graduate Thesis, Politecnico di Milano, Dept. of Mechanical Engineering, April 2008).
23. "Magnesium Molding" Technical Solutions (Bolton, Ontario, Canada: Husky Injection Molding Systems Ltd.), http://www.husky.ca/ magnesium-0-259.html.
24. "The European Climate Change Programme," EU Action Against Climate Change (2006), http ://ec.europa.eu/environment/climat/pdf /eu_climate_change_progr.pdf.
25. W.E. Deming, Out of the Crisis (Cambridge, MA: MIT Press, 1986).
26. F. D'Errico and G. Perricone (Presentation at Husky Metal Molding Day Seminar, Luxemburg, April 22, 2008).
27. G.Y. Yuan et al., "Microstructure and Mechanical Properties of Mg-Zn-Si-based Alloys," Materials Science and Engineering, A357 (2003), pp. 314-320.
28. Z.H. Huang et al., "Effect of Si on Microstructure and Mechanical Properties of AZ91D Alloys," Journal of Materials Engineering, 6 (2004), pp. 28-32.
29. F. D'Errico et al., "Influence of Microstructure on Mechanical Properties of an AZ91D Thixomolded Magnesium Alloy," Key Engineering Materials, 348-349 (2007), pp. 873-876.
30. G.Y. Yuan et al., "Microstructure Refinement of Mg-Al-Zn-Si Alloys," Mater. Lett., 56 (1-2) (2002), pp. 53-58.
31. J.J. Kim et al., "Modification of MgZSi Morphology in Squeeze Cast Mg-Al-Zn-Si Alloys by Ca or P Addition," Scr. Mater., 41 (3) (1999), pp. 333-340.
32. W.W. Du et al., "Influence of Ca Addition on Valence Electron Structure of Mgl7AI12," Trans. Nonferrous Met. Soc. China, 13 (6) (2003), pp. 1274-1279.
33. Y.S. Sun, W.M. Zhang, and X.G. Min, "Tensile Strength and Creep Resistance of Mg-9Al-1Zn Based Alloys with Calcium Addition," Acta Metall. Sin., 14 (5) (2001), pp. 330-334.
34. L. Wang et al., "Effects of Silicocalcium on Microstructure and Properties of Mg-6A1-0.5Mn Alloy," Trans. Nonferrous Met. Soc. China, 16 (2006), pp. 551-555.
35. C. Sanchez et al., "Elevated Temperature Behavior of Rapidly Solidified Magnesium Alloys Containing Rare Earths," Materials Science and Engineering, A221 (1996), pp. 48-57.
36. D.V. Wilson and J.A. Chapman, "Effects of Preferred Orientation on the Grain Size Dependence of Yield Strength in Metals," Philos. Mag., 8 (1963), pp. 1543-1551.
37. H. Somekawa and T. Mukai, "Effect of Grain Refinement on Fracture Toughness in Extruded Pure Magnesium," Scripta Materialia, 53 (2005), pp. 1059-1064.
38. Cars21, A Competitive Automotive Regulatory System for the 21st Century - Final Report (Luxembourg: European Communities European Commission: Enterprise and Industry Directorate, 2006), http:// ec.europa.eu/enterprise/automotive/pages background/competitiveness/ cars21finalreport.pdf.