A Design Concept for an Aluminum Sport Utility Vehicle Frame

Danyo, Michael W.; Young, C.; Cornille, Henry J.; Porcari, Joseph

doi:10.4271/2003-01-0572

Cited by 2 publications

(1 citation statement)

References 1 publication

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“…Aluminum -Lithium alloys such as 2090, 2091 and 8090 provide higher specific modulus than that of the previous grades of Aluminum alloys (7075, 2024) and therefore replacements of some parts of aircrafts with these new alloys have been started. Guinier Preston (GP) zones and precipitates such as T 1 which formed after TMT (thermo mechanical treatments) in the Al-Li 2090 alloy, are the most important determinants of the physical and mechanical properties [1,2].…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Effects of GP Zones Formation on the Properties of AA2090 Alloy

Ahmadi

Shokuhfar

Rezaei

2008

DDF

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To respond the need of industries to the new materials with higher specific modulus and lower density than those of the older Al alloys, aluminum- lithium alloys have been invented and improved. Aging process is one of the most important methods to improve the mechanical properties of aluminum- lithium alloys which are in the heat treatable category of aluminum alloys. Low temperature and natural aging processes cause the "short range diffusion" of Cu atoms in the aluminum and the formation of the GP zones. In this research, stability of GP zones and the effects of these areas on physical and mechanical properties of AA2090 alloy were investigated by hardness, electrical resistance, DSC (differential scanning calorimetric) and tensile tests. Results show that endothermic effect in the DSC diagrams of AA2090 alloy at 180°C to 240°C can be related to the enthalpy of GP zones dissolution. Formation of GP zones in the structure increases hardness, tensile strength and electrical resistance of Al- Li C u (2090) alloys.

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Section: Introductionmentioning

confidence: 99%

Investigation of the Effects of GP Zones Formation on the Properties of AA2090 Alloy

Ahmadi

Shokuhfar

Rezaei

2008

DDF

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Based on 3D Virtual Prototype Technology and Finite Element Analysis of the Optimization of the Automobile Front Axle

Yuan

2014

AMM

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The front axle is an important part of a car, directly affects the dynamic characteristics of car. Based on UG NX6.0 for automobile front axle parts 3D modeling, finite element analysis software ANSYS modal analysis was carried out on the front axle, and extract their first four order natural frequency and vibration mode shapes, the automobile front axle structure stress analysis and stress distribution nephogram of get parts. Analysis of the impact load condition and emergency braking conditions modal analysis, and further to fatigue analysis of the front axle bridge shell, for provide valuable reference data for the reasonable design of parts. For the kinetics of further research and improvement of front axle provides the theoretical basis, but also provides reference to the actual test.

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A Design Concept for an Aluminum Sport Utility Vehicle Frame

Cited by 2 publications

References 1 publication

Investigation of the Effects of GP Zones Formation on the Properties of AA2090 Alloy

Investigation of the Effects of GP Zones Formation on the Properties of AA2090 Alloy

Based on 3D Virtual Prototype Technology and Finite Element Analysis of the Optimization of the Automobile Front Axle

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