Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Speciality Polyamides for Metal Replacement

279 views

Published on

Metal Replacement Forum 2013 - Malpensa 6th and 7th June 2013
Erico Spini - Radici Plastics MKT Director

Published in: Technology, Business
  • Be the first to comment

Speciality Polyamides for Metal Replacement

  1. 1. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 1 Erico SPINI, Radici Plastics MKT Director
  2. 2. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 2
  3. 3. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  4. 4. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  5. 5. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  6. 6. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  7. 7. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  8. 8. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  9. 9. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  10. 10. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 0 50 100 150 200 250 300 0,00% 0,50% 1,00% 1,50% 2,00% 2,50% 3,00% Stress(Mpa) Strain (%) Stress-Strain Curves Comparison (23°C, DAM, ISO 527) PA66-GF50 Radilon® ARV500RW + 12 % tensile strength at break + 20 % tensile deformation at break
  11. 11. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 0 20 40 60 80 100 120 0,00% 0,20% 0,40% 0,60% 0,80% 1,00% 1,20% 1,40% Stress(Mpa) Strain (%) Stress-Strain Curves Comparison (23°C, DAM) ISO 527 Double Injection Radilon® ARV500RW PA66-GF50 + 20 % tensile strength at break + 30 % tensile deformation at break
  12. 12. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Radilon® A RV500 RW blk 339 offers higher stress and strain at break versus standard PA66-GF50 at high speed and therefore absorbs more energy in case of impact. 0,00 50,00 100,00 150,00 200,00 250,00 300,00 350,00 0,00% 0,50% 1,00% 1,50% 2,00% 2,50% 3,00% Stress(Mpa) Strain (%) Stress-Strain Curve Comparison at Different Speeds (23°C, DAM, ISO 527) Rad A RV500RW : 1 mm/sec Rad A RV500RW : 100 mm/sec PA66-GF50 : 1 mm/sec PA66-GF50 : 100 mm/sec
  13. 13. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 0 20 40 60 80 100 120 2 3 4 5 6 7 Smax(Mpa) Cycles to Failure (Millions) Fatigue Behaviour Wöhler Diagram - Sinusoidal Displacement, 5hz, R= min stress/max stress =0.1 23°C - RH50 (water content 1.24 %) PA66-GF50 Radilon® ARV500RW Radilon® A RV500 RW blk 339 higher performances versus standard grades are fully confirmed in case of long term dynamic loading (fatigue)
  14. 14. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Tensile Strength at Break is not affected by a melt temperature until 320°C. The material has been designed to withstand high processing temperature. 252 254 256 258 260 262 264 266 270 280 290 300 310 320 330 TensileStrength(Mpa) Melt Temperature (°C) Tensile Strength at Break at Different Melt Temperatures (23°C, DAM, ISO 527) Barrel residence time 10 minutes
  15. 15. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  16. 16. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 16 Flow Length + 40% 0 100 200 300 400 500 600 700 800 60 70 80 90 100 110 120 130 SpiralLength(mm) Injection Pressure (Bar) Spiral Length Comparison High Flow Radilon® S URV600LW PA6-GF50 High Flow Radilon® S URV600LW PA6-GF50
  17. 17. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  18. 18. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013
  19. 19. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 0 20 40 60 80 100 120 140 0,00% 1,00% 2,00% 3,00% 4,00% 5,00% 6,00% 7,00% Stress(Mpa) Strain (%) Stress-Strain Curve Comparison ISO 527 (DAM) at 150 °C Radistrong® A LGF50W PA66-GF50 + 25 % tensile strength at break
  20. 20. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Radistrong© LGF PA66 versus PA66-GF properties comparison Charpy Notched Impact Impact Energy Absorption Tensile Strength at Break (23 °C) Tensile Strength at Break (150 °C) Elongation at BreakCreep Heat resistance Tensile Modulus (23 °C) Tensile Modulus (150 °C) PA66-GF Radistrong© LGF
  21. 21. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Structural Polyamides show comparable tensile strength at break versus light metal alloys 0 50 100 150 200 250 300 Al Die Cast AlloyZn Die Cast Alloy Mg Die Cast Alloy Radilon A RV500 RW 339 Ner Radilon S URV600 100 Nat TS(Mpa) Tensile Strength at Break Al Die Cast Alloy Zn Die Cast Alloy Mg Die Cast Alloy Radilon A RV500 RW 339 Ner Radilon S URV600 100 Nat Radilon® versus metals properties comparison
  22. 22. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Structural Polyamides show better fatigue behaviour than light metal alloys 0 10 20 30 40 50 60 70 Al Die Cast Alloy Zn Die Cast Alloy Mg Die Cast Alloy Radilon A RV500 RW 339 Ner Radilon S URV600 100 Nat Mpa Tensile Fatigue Limit at 7 million cycles Radilon® versus metals properties comparison
  23. 23. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Structural Polyamides show low density than light metal alloys 0 1 2 3 4 5 6 7 Al Die Cast Alloy Zn Die Cast Alloy Mg Die Cast Alloy Radilon A RV500 RW 339 Ner Radilon S URV600 100 Nat g/cm3 Density Radilon® versus metals properties comparison
  24. 24. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets
  25. 25. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets
  26. 26. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets Part name : Transmission Reaction Bracket Parts/year : 150000 Life time : 6 years Materials : Radilon® A RV500RW versus Aluminium Cost (€) Radilon® A RV500RW Tool cavities : 2 Aluminium Tool cavities : 2 Material 1 0,8 Processing 0,3 1,1 Assembly & Finishing 0,15 Machining 0,35 Tool Amortization 0,1 0,28 Total cost 1,55 2,53
  27. 27. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets
  28. 28. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets Virtual design from metal to plastics through optimization step. Interactive collaboration with development partners in : 1- part design optimization 2- stress analysis 3- process analysis STEP 1 STEP 2
  29. 29. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets Part design approach comparison. Part name : gas/water connector Objective : burst pressure calculation at 23 °C Material: Radilon A RV500RW (PA66-GF50, enhanced mech properties) Hp 1 : isotropic material Hp 2 : coupled process simulation + structural analysis Type of analysis : non linear
  30. 30. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets Part design approach comparison Hp1 : isotropic behaviour Stress and strain distribution, as expected, is the same for the different part section Calculated burst pressure is overestimated Difference between calculated and measured burst pressure 20%
  31. 31. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets Part design approach comparison Hp2: coupled process simulation + structural analysis First step : moldflow analysis Welding line presence ! Part weakest section
  32. 32. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets Part design approach comparison Hp2: coupled process simulation + structural analysis First step : moldflow analysis Output : fibers orientation tensor to be used as input for structural analysis
  33. 33. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets Part design approach comparison Hp2 : coupled process simulation + structural analysis Stress and strain distribution are not anymore simmetric since fiber orientation is considered Difference between calculated and measured burst pressure down to 5%
  34. 34. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 Metal Replacement Typical Targets
  35. 35. REPLACEMENT FORUM 2013METALMalpensa, 6th and 7th June 2013 35 Erico SPINI, Radici Plastics MKT Director

×