文档介绍：Niobium Tech Asia March 15, 2011
Press Hardening
Advanced Technology to reduce the Weight of Vehicles
for Today and Future
边箭
1
Niobium Tech Asia March 15, 2011
亚太地区铌钢技术咨询公司
巴西矿冶公司技术顾问,,中国中信金属公司合作伙伴中国中信金属公司合作伙伴
ThyssenKrupp
东北大学
JFE
设计院
安徽合肥
新加坡
CBMM
2
Niobium Tech Asia March 15, 2011
Strategy of light weight
DP1000
TRIP1000
节能 Conventional <5% in use
环保 process CP1000
安全 MS1200
铌合金
(U)HSS (Nb)
Press 15% in use
PH1500
hardening
light Light
weight metals
concepts
Plastic and
carbon fiber
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Niobium Tech Asia March 15, 2011
Press hardening
State of the art
Press hardening process
Press hardening steels
Surface coating
Application in the BIW
New development
Process technology
Higher strength steels for press hardening
Press hardening in China
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Niobium Tech Asia March 15, 2011
Press hardening
State of the art
Press hardening process
Press hardening steels
Surface coating
Application in the BIW
New development
Process technology
Higher strength steels for press hardening
Press hardening in China
5
Niobium Tech Asia March 15, 2011
Why press hardening Weight reduction
Estimated weight reduction
140
+ 15-25 %
120
Reference
- 5–10%
100 -10–15%
-20–30% -20–40%
80
Weight 60
40
20
0
Mild Steel HSLA DP-600 TRIP-800 Press hardening Aluminum
DP-800 steel
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Niobium Tech Asia March 15, 2011
Why press hardening crash performance
Euro NCAP crash tests
Bumper reinforcement
Side impact beam
Roof frame A-pillar
B-pillar
Dash panel
Tunnel
C-pillar
Sill
Side member
Bumper reinforcement
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Niobium Tech Asia March 15, 2011
Process Technology
Direct hot stamping (one step) / 22MnB5
Heating to Hot stamping and press Die or laser
880 °C–950 °C hardening in cooled die trimming
Indirect hot stamping (two steps) / 22MnB5
Heating to Hot stamping and press Die or laser Sand