Innovazione e Trend dei Materiali Metallici in FCA

Transcription

1 Innovazione e Trend dei Materiali Metallici in FCA Tedesco Michele Maria CRF GML Metals Department Pisa 14 Dicembre 2015

2 Agenda Metals in FCA New Steel Sheet Scenario Third Steel Generation Sandwich Materials Aluminum Scenario 2

3 Agenda Metals in FCA New Steel Sheet Scenario Third Steel Generation Sandwich Materials Aluminum Scenario 3

4 Materials in FCA EC strategic objective is to reduce of 50% of deaths due to car accidents within 2010 (Since White Paper on Transport Policy) NORMS Safety (occupants, other road users) Environment (production, usage, end of life) 4

5 Materials in FCA 5

6 Materials in FCA 6

7 Materials in FCA 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% eighties nineties HSS+UHSS LC 7

8 Materials in FCA Car Performance and Safety Evolution 8

9 Materials in FCA FCA work very hard to reach the maximum lightweight. Below the trend of steel in FCA mass production car is showed: STAMPATI A CALDO SU SCOCCHE FIAT Grande Punto HSS+UHSS 67% Bravo LC 33% PHS 4% LC 32% LC (Low Carbon) HSS + UHSS IF210, BH220, FeE340, FeE420, DP, TRIP PHS (Press Hardened Steel) PHS 14% OT. 4% LC 21% HSS+UHSS 64% N. 500 PHS 7% % in peso LC 36% HSS+ UHSS 61% Renegade HSS+UHSS 57% Alfa Mito 955 PHS 16% LC 30% 500 L Alfa Giulietta HSS+UHSS 54% PHS 11% ALTRI 3% LC 28% HSS+UHSS 58% Nuova Panda PHS 9

10 Materials in FCA Twip Bumper Beam in Fiat Panda: Traditional solution Innovative solution Boron steel mm TWIP mm DP mm D=- 0.88kg 10

11 Materials in FCA Frontal crash test (EU-NCAP 68 km/h): Traditional and innovative solution behaviour FCA Pole test (48 km/h): Traditional and innovative solution behaviour 11

12 Materials in FCA CASTING: Magsimal 59 T6 AlSi10MgMnFe0.2 T6 EXTRUDED: Steel Aluminum EN AW 6082 T6 AlMgSi 6181 T4 STAMPING: AA-6000 IH AA-5000 RS Casting Extruded Stamped 12

13 Materials in FCA AlSi10MgMnFe0,2(Sr) T6 EN AW 6184 T4 AA-5000 RS Magsimal 59 T6 AA-5000 RS EN AW 6082 T6 EN AW 6082 T6 AA-6000 IH 13

14 Materials in FCA ENGINE Brackets (engine, compressor etc ) HPDC - DC Cylinder heads DC Pistons DC PHS 14% AL 4% LC 21% CHASSIS Wheels - LPDC HSS+ UHSS 61% Body BODY Hood STAMPING 14

15 Agenda Metals in FCA New Steel Sheet Scenario Third Steel Generation Sandwich Materials Aluminum Scenario 15

16 Agenda Metals in FCA New Steel Sheet Scenario Third Steel Generation Sandwich Materials Aluminum Scenario 16

17 Third Steel Generation Driving force for Development: Common Steel Grades New Steel Grades 17

18 Third Steel Generation Driving force for Development: Common Steel Grades New Steel Grades 18

19 Third Steel Generation How is possible increase the elongation DP CP inclusion: retained austenite matrix: bainite matrix: tempered martensite TRIP type strength TRIP Q&P type strength 19

20 Third Steel Generation Trip Bainitic Ferrite (TFB) steel microstructure: 20

21 Third Steel Generation Trip Bainitic Ferrite (TFB) steel microstructure: 21

22 Third Steel Generation Quenching and Partitioning (Q&P) steel microstructure: 22

23 Third Steel Generation Quenching and Partitioning (Q&P) steel microstructure: 23

24 Third Steel Generation Differences Dual Phase vs TBF and Complex Phase vs Q&P: 24

25 Third Steel Generation Possible applications: 25

26 Agenda Metals in FCA New Steel Sheet Scenario Third Steel Generation Sandwich Materials Aluminum Scenario 26

27 Sandwich Materials 27

28 Sandwich Materials 28

29 Sandwich Materials 29

30 Sandwich Materials 30

31 Sandwich Materials Sandwich materials are helpful to isolate the engine noise 31

32 Agenda Metals in FCA New Steel Sheet Scenario Third Steel Generation Sandwich Materials Aluminum Scenario 32

33 Aluminum Scenario 33

34 Sandwich Materials 34

35 Sandwich Materials 35

36 Sandwich Materials 36

37 Sandwich Materials 37

38 Sandwich Materials 38

39 Conclusion In the last years there has been an important increase of AHSS steels; New steel family would increase the strength without reduce the formability; Aluminum is used not only for the premium/luxury cars; New aluminum trend is hot/warm forming of high strength 7xxx aluminum alloys 39

40 Conclusion Thanks for the attention 40

41 Backup

42 Press Hardening Steel Back 42