Page 11 - Mortor Fan illustrated

ALUMINUM Smart Developments

Case S tudy Case Study

06 06 A8 with a Multi-material Body 07 07 NSX with a Multi-material Body

HONDA NSX
AUDI A8

Multi-material body panels
Aluminum alloy sheet Motor Fan illustrated
CFRP
Motor Fan illustrated
Fiber/resin compound (SMC)
Resin

The multi-material Audi space frame ALUMINUM Smart Developments
Aluminum alloy sheet Space frame using multi-materials
Aluminum extruded shapes
Aluminum alloy sheet
Aluminum cast products
ALUMINUM Smart Developments
Aluminum extruded shapes
Ultra-high tensile strength steel sheet
3DQ ultra-high tensile strength steel tube
10 Steel Ablation cast aluminum 11
CFRP
Gravity die cast aluminum
Magnesium
Steel

Audi’s new model, the A8, is a multi-material-oriented vehicle The body panels are all-aluminum, and for the doors in The NSX for the 21st century is not an all-aluminum body whole structure; other materials include 13.5% of steel and
using ultra-high tensile strength steel, mild steel, CFRP, particular 6000 series aluminum alloys are used for both the structure, but a multi-material space frame structure using 7.4% of resin. Structural joining techniques such as SPR
magnesium and other materials while featuring the inner and outer panels. For the base of the A pillars, where aluminum, ultra-high tensile strength steel, resin and other (self-piercing riveting), FDS (flow drill screw) and roller
multi-material Audi space frame with aluminum as its core. aluminum alloy sheets were used for the 2015 Audi R8, steel is materials. Mainly high-strength extruded aluminum shapes hemming are frequently used.
Adoption of aluminum alloys has the special merit of providing employed in the new Audi A8. This is thought to symbolize are used. Aluminum alloy accounts for about 79% of the
reliability in a lightweight and highly rigid space frame structure. multi-materialization.

Features required for aluminum alloy Major alloy for choice
Through collaborative work according to the requests and Extrusion
Guidelines for aluminum alloy choices purposes of automobile manufacturers, UACJ is realizing Strength Formability resistance weldability weldability performance
Spot
Arc
Corrosion
the production of a variety of aluminum automobile parts. Alloy evaluation & Forgeability
The aluminum sheets typically used as body panels often include Classification Sheets Panels (outer panels) 5000/6000
and Uses
Structural parts
5000/6000
non-heat-treatable 5000 series alloys and heat-treatable 6000 series Mineo Asano : Very good Non-structural parts 1000/3000/5000/6000
alloys for the reasons of strength, formability and corrosion resistance. Manager : Good Extruded shapes Structural parts 6000/7000
As for formability, the 5000 series excels the 6000 series. The 1000 Product Engineering Division Forged products Structural parts 6000
series, excellent in corrosion resistance and workability, are used for Nagoya Works A: Good Alloy Non- 1000 series Pure aluminum C A A A A A
heat-
UACJ Corporation
heat insulators, and the 3000 series are used for tubing. The 4000 B: Standard treatable 3000 series Al-Mn C B A A A A A A A A A C
Al-Mg
5000 series
series are used for compressor wheels and the 6000 series for forged C: Inferior Heat- 2000 series Al-Cu A C C C C B
wheels. treatable 6000 series Al-Mg-Si B B A B B A
7000 series Al-Zn-Mg A C C B C B
PHOTO: AUDI/HONDA