当前位置:首页 >> 机械/仪表 >>

超高性能聚合物在汽车行业的应用


Ultra high performance polymers for automotive applications 超高性能聚合物在汽车行业的应用
Dr. Brian. Stern April-2012

Plastic Pyramid
More Plastics with More Performance?

MODULUS

AMORPHOUS

Tg

Tg

SEMI-CRYSTALLINE

TEMPERATURE
Tg = GLASS TRNSITION TEMPERATURE Tm = MELTING POINT TEMPERATURE

2

? 2011 Solvay Specialty Polymers

PRODUCT FAMILY

Spire? Ultra Polymers in Automotive
AvaSpire PAEK KetaSpire PEEK Torlon PAI
? ? ?

Best-in-Class properties for long-life performance in critical applications Performance advantages include superior chemical, thermal and wear resistance, and inherent flame retardancy

Key Automotive Applications where high wear resistance is required where high compressive properties are required at elevated temperatures where high stiffness and strength at elevated temperatures where good impact properties are required where electrical insulation is required where temperature resistance is required where chemical compatibility is required and more where light weight at above combined properties is required

3

? 2011 Solvay Specialty Polymers

PRODUCT FAMILY

Spire? Ultra Polymers – Properties into benefits
Strength at Elevated temp. Temperature Resistance Chemical Resistance Wear Resistance Fatigue Resistance Compressive Properties Design Expertise Low CLTE

Under the hood ? ? ? ? ? ? Fuel Systems Turbocharger Vacuum Pumps Coupling Isolation Engine components Steering Systems ? ? Thrust Pads Bushings Interiors ? ? ? ? Bushings Plugs Gears Cables Transmissons ? ? ? ? Friction Discs Thrust Washers Seal rings Bearings Brake Systems ? ? Bushings Thrust Pads

4

? 2011 Solvay Specialty Polymers

PEEK Introduction
KetaSpire? PEEK Resins
O O O C

HDT up to 315°C Excellent long term thermal oxidative stability
Continuous use temp up to 240°C

Outstanding chemical resistance to organics, acids, bases and steam/hot water Best-in-class fatigue resistance, Outstanding FW Lubricated
Flex Strength (psi)
60000 50000 40000 30000 20000 10000 0
Neat 30%GF 30%CF 23 °C 120 °C 250 °C

Flex Modulus (Kpsi)
3500 3000 2500 2000 1500 1000 500 0
Neat 30%GF 30%CF 23 °C 120 °C 250 °C

5

? 2011 Solvay Specialty Polymers

AvaSpire? PAEK
Proprietary chemistries with unique advantages AV-600 Series: Lower crystallinity, higher ductility, better toughness and impact, better stiffness retention than PEEK from 150-190°C AV-800 Series: High temperature grades that offer higher stiffness than PEEK between 150-240°C
Aryl linkages provide modulus, thermal stability, and flame retardance Ether linkages provide toughness and ductility Ketones provide long term thermal oxidative resistance.

6

? 2011 Solvay Specialty Polymers

Polyamide-imide Introduction
Torlon? PAI Resins
Exceptional strength and stiffness up to 275°C Outstanding wear resistance Excellent chemical resistance to automotive fluids Inherent flame resistance Low CLTE

7

? 2011 Solvay Specialty Polymers

DMA Curve of Torlon (4275) versus KetaSpire (KT820SL30)

Torlon 4275
KT820SL30

Plastics Maintain Mechanical Properties at Elevated Temperatures
8 ? 2011 Solvay Specialty Polymers

Compressive Modulus versus Temperature
1000

Compressive Modulus (Kpsi)

900 800 700 600 500 400 300 200 100 0 4275
9

23C 100 C 150C 200C

KT820SL30
? 2011 Solvay Specialty Polymers

AvaSpire KetaSpire Stress Strain Curve
RM TEMP
16 14 12
8 Tensile?(Kpsi) 12

100C

10

Tensile?(Kpsi)

10 8 6 4 AV‐621?NT?23C KT‐820?NT?23C

6

AV‐621?NT?100C KT‐820?NT?100C

4

2

2
0

0 0 20 40 60 80 Elongation?(%) 100 120 140

0

20

40

60

80 Elongation?(%)

100

120

140

150C
8 7 6 5 4 3 2 1 0 0 20 40 60 80 Elongation?(%) 100 120 140 AV‐621?NT?150C KT‐820?NT?150C 4 3.5 3 2.5 2 1.5 1 0.5 0 0 20 40 60

200C

Tensile?(Kpsi)

Tensile?(Kpsi)

AV‐621?NT?200C KT‐820?NT?200C

80 Elongation?(%)

100

120

140

AvaSpire shows significant improved Strain at Break up to Tg of PEEK
10 ? 2011 Solvay Specialty Polymers

Triaxiality : a very important concept
σe =
1 2 (σ 1 ? σ 2 ) 2 + (σ 1 ? σ 3 ) 2 + (σ 2 ? σ 3 2

(

)

more ductile
TRIAXIALITY

Von Mises stress uniaxial tension simple shear biaxial tension (plain stress)

more brittle
very ductile plain strain hydrostatic tension (triaxial tension) mean stress
compressive
even rocks are ductile under pressure….
11

σ m = × (σ 1 + σ 2 + σ 3 )
? 2011 Solvay Specialty Polymers

1 3

4203 in Compression Did not Fail

12

? 2011 Solvay Specialty Polymers

4275 Lubricated FW @ 500K PV
Virgin Torlon 4275, 2"Disc, 26 Grooves, 300 Micron Deep x 1 mm Wide in Dexron 3 ATF at 0.20 lpm, 90°C, 1770 V, 283 P, 500 K PV
200 180 160 Temperature, °C 140 120 100 80 60 40 20 0 0.00 20.00 40.00 60.00 Time, hrs 80.00 100.00 120.00 Chamber Temp, C Spec Temp, C

9.3 microns

w ear = 3.4 m icrons

w ear = 3.7 m icrons

2.5 microns

Sample after 100 hours
13 ? 2011 Solvay Specialty Polymers

4275 FW in Lubricated Environment (V vs P)

Wear After 100 Hours
4000 3500 3000 Velocity, ft/min 2500 2000 1500 1000 500 0 0 250 500 750 Pressure, psi 1000 1250 1500

14

? 2011 Solvay Specialty Polymers

Torlon 4275 DCT Exposure – 1500 Hours
Mechanical Properties After 150 篊 Exposure
130 120 110 100 90 80 70 60 50 40 30 20 10 0 Tensile Elong.% Tensile Mod. GPa Tensile Str. MPa Hardness RHR

tested at 23 篊

sample A control sample B 70 hrs sample C 1008 hrs

sample B control sample C 70 hrs sample A 1500 hrs
15

sample C control sample A 1008 hrs sample B 1500 hrs

sample A 70 hrs sample B 1008 hrs sample C 1500 hrs
? 2011 Solvay Specialty Polymers

FEA Model Comparison

16

? 2011 Solvay Specialty Polymers

MASS CENTER
shrink “center?of?mass,?the?point?at?which?all?the?mass?of?a?body?may?be? considered?to?be?concentrated?in?analyzing?its?motion.?The?center? of?mass?of?a?sphere?of?uniform?density?coincides?with?the?center of?the?sphere.?The?center?of?mass?of?a?body?need?not?be?within? the?body?itself;?the?center?of?mass?of?a?ring?or?a?hollow?cylinder? is?located?in?the?enclosed?space,?not?in?the?object?itself.?“ The?Columbia?Encyclopedia

The?mass?center?of?an?interrupted?/?cut?ring?is?the?same?as?its?flat?shape:

shrink shrink

17

? 2011 Solvay Specialty Polymers

UP-Auto Session Interiors Under the hood

Suspension

Brake Systems Steering Systems Transmissions Heavy Duty

18

? 2011 Solvay Specialty Polymers

Transmissions-Driveline
? ? ? Dual Mass Fly Wheel (Friction Disc, Clutch Spring Cap) Axial Thrust Bearing (Torque converter, Differential, Gear Box)** Radial Thrust Bearing

? ? ?

Seal Rings Shift Fork Check ball**

19

? 2011 Solvay Specialty Polymers

Hydraulic Seal Ring
Effect on Material Selection
Retention of strength up to 150°C Excellent sealing and conformability (non-leaking) Ease of installation (elongation for flexibility) Dimensional stability Molded-in joint geometries reduce costs Excellent wear properties in dry and lubricated

20

? 2011 Solvay Specialty Polymers

Commercial Thrust Bearing Applications
Effect on Material Selection
Low creep High compressive strength Low coefficient of friction Excellent wear properties in dry and lubricated environments Suitable for very high pressures and velocities Molded-in oil grooves to eliminate secondary machining costs

21

? 2011 Solvay Specialty Polymers

Check Balls For Automotive Transmission: Torlon 4203L

Requirements
Lightweight (quicker response) Conformability (non-leaking) Non-pinging (noise reduction)

Competitive Material
Metal Viton

Manufactured by Daimler-Chrysler and Ford
22 ? 2011 Solvay Specialty Polymers

Power Train/Transmission: Commercialized Applications

Auto Trans. Solenoid Snout Hydraulic seal rings
Torlon? /KetaSpire PEEK/AvaSpire Amodel? A-1145HS

Thrust Washers
Torlon KetaSpire PEEK/AvaSpire

Turbo Charger Actuation and Thermal
Torlon

On/Off Auto Tran. Solenoid Valve
Amodel? A-1133 HS

Check Balls Clutch Cylinder
Ixef? 1022 23 ? 2011 Solvay Specialty Polymers Torlon? 4203L/KetaSpire PEEK

Commercial Applications - Industrial

24

? 2011 Solvay Specialty Polymers

Collaboration - Team Approach
Resin Supplier

Designer

? Performance ? Geometry ? Regulations

Part Design Success

? Properties Material
? CAE Support ? Secondary Operations

? Productivity ? Quality ? Consistency

Processing

Tooling

? Moldability ? Maintenance ? Cycle Time

Molder Application Database
25

Tool Builder

? 2011 Solvay Specialty Polymers

25

PRODUCT FAMILY

Spire? Ultra Polymers in Automotive

AvaSpire PAEK KetaSpire PEEK Torlon PAI
? ? ?

Best-in-Class properties for long-life performance in critical applications Performance advantages include superior chemical, thermal and wear resistance, and inherent flame redundancy

Key Automotive Applications where high wear resistance is required where high compressive properties are required at elevated temperatures where high stiffness and strength at elevated temperatures where good impact properties are required where electrical insulation is required where temperature resistance is required where chemical compatibility is required and more where light weight at above combined properties is required

26

? 2011 Solvay Specialty Polymers


赞助商链接
相关文章:
高分子材料的发展前景
分子进行改性; (3) 通过新的加工方法改变聚合物...发挥不同材料的优点,扩大分子 材料的应用范围,...999感冒灵市场营销方案 汽车品牌的足球世界杯营销 网络...
地质聚合物的性能与应用发展前景
地质聚合物的性能与应用发展前景 摘要地质聚合物是一种新型高性能胶凝材料。 ...的高温,可用于制作炉膛、冶金管道、隔热材料 等,广泛应用于非铁铸造及冶金行业...
玄武岩纤维在汽车行业上的应用前景
用摩擦增强材料主要有钢纤维、矿物纤维、玻璃纤维、有机纤维及 耐高温聚合物纤维...过滤材料的应用, 符合新世纪环保的要求, 也有利于满足人们追求高性能汽 车的...
高技术纤维期末试卷
答:高技术纤维发展到今天,已形成高性能纤维、高功能...(3)高技术纤维市场已经形成,需求扩 大,因此,展望...目前聚合物纳米复合材料已在汽车和 包装领域获得应用...
高性能环氧乙烯基酯树脂在车辆制造上的应用
高性能环氧乙烯基酯树脂在车辆制造上的应用_交通运输_工程科技_专业资料。高性能...聚合物模具具有简易、快速经济的特点,在汽车的金属制品的冲压模具 得到日益广泛的...
高性能丙烯酸涂料在汽车上的应用和研究
高性能丙烯酸涂料在汽车的应用和研究_能源/化工_...羟基聚合物为原料进行化学反 应, 生成的高性能...
高分子材料在汽车领域的应用及发展
分子材料在汽车领域的应用及发展 分子材料在汽车...在性能可靠的的条件下,将尽可能多地采用复合材料等...丁二烯和苯乙烯 3 种单体构成的一系列聚合物的总称...
高性能透明尼龙材料在眼镜中的应用
其它应用 德固赛透明尼龙材料目前在太阳眼镜和运动眼镜领域所取得的成功更进一步证明其独特性质使 其成为光学应用的理想材料。因此,高性能聚合物业务部正在制定新的发展...
汽车文化论文
然而, 给汽车行业带来质的变革的却是无机非金属材料和高性能高分子材料的应用。...我们也有理由相信,随着 其他高聚物、复合的诞生,汽车的安全问题将得到更加完美...
碳纤维增强复合材料的研究进展及在汽车领域中的应用
材料的性能、成型工艺及在国外汽车行业的应用情况, ...碳纤维增强复合材料具有高强度、高模量, 已在航天...由于碳纤维增强聚合物基复 合材料有足够的强 度和...
更多相关标签: