171130 Progress Update WP1 (Laura Cordova Gonzalez)
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171130 Progress Update WP1 (Laura Cordova Gonzalez)
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171130 Progress Update WP1 (Laura Cordova Gonzalez)
- 1. MECHANICAL PROPERTIES OF AL ALLOYS Laura Cordova
- 2. 05/12/2017l.cordovagonzalez@utwente.nl 2 MICRO SAMPLES PREPARATION 1KN load
- 3. 05/12/2017l.cordovagonzalez@utwente.nl 3 INTRODUCTION OF THE METHOD
- 4. Monitoring the crack propagation Mechanical properties Fracture surface & mechanics 05/12/2017l.cordovagonzalez@utwente.nl 4 WHAT KIND OF INFORMATION MICRO-TENSILE TEST
- 5. IN-SITU TENSILE TESTING ALSI10MG XY 05/12/2017l.cordovagonzalez@utwente.nl 5
- 6. 05/12/2017l.cordovagonzalez@utwente.nl 6 MECHANICAL PROPERTIES Properties UTS (MPa) ε (%) HV AlSi10Mg casted and aged1 300-317 2,5-3,5 86 AlSi10Mg (AM Literature)2 335 3 115 AlSi10 XY 202 14,6 72 AlSi10Mg Z 224 11,8 76 Scalmalloy (AM Literature)2 490 8 177 Scalmalloy XY 462 16,2 146 Scalmalloy Z 440 13,4 139 (2) Material data sheet – APWORKS ~30% UTS ~x4 ε (1) http://www.matweb.com
- 7. 05/12/2017l.cordovagonzalez@utwente.nl 7 MECHANICAL PROPERTIES SUMMARIZE UTS (MPa) ε (%) Scalmalloy XY 450±25 15.2±2.2 Scalmalloy Z 429±29 12.5±2.4 AlSi10Mg XY 199±12 13.2±2.7 AlSi10Mg Z 220±19 11.3±1.9 0 2 4 6 8 10 12 14 16 18 20 0 100 200 300 400 500 Scalmalloy XY Scalmalloy Z AlSi10Mg XY AlSi10Mg Z σ(MPa) ε (%)
- 8. 05/12/2017l.cordovagonzalez@utwente.nl 8 MECHANICAL PROPERTIES SUMMARIZE Scalmalloy XY Scalmalloy Z AlSi10Mg XY AlSi10Mg Z 150 200 250 300 350 400 450 500 UTS Def. UTSMPa 9 10 11 12 13 14 15 16 17 18 19 Def.% Scalmalloy XY Scalmalloy Z AlSi10Mg XY AlSi10Mg Z 150 200 250 300 350 400 450 500 UTS Def. UTSMPa 9 10 11 12 13 14 15 16 17 18 19 Def.% UTS (MPa) ε (%) Scalmalloy XY 450±25 15.2±2.2 Scalmalloy Z 429±29 12.5±2.4 AlSi10Mg XY 199±12 13.2±2.7 AlSi10Mg Z 220±19 11.3±1.9
- 9. FRACTOGRAPHY
- 10. 05/12/2017l.cordovagonzalez@utwente.nl 10 FRACTOGRAPHY ORIENTATION Fracture surface Orientation (A) Crack Orientation (B)
- 12. 05/12/2017l.cordovagonzalez@utwente.nl 12 ALSI10MG FRACTURE SURFACE (A) AL-XY porosity dimples
- 13. 05/12/2017l.cordovagonzalez@utwente.nl 13 ALSI10MG CRACK (B) AL-XY Sliding effect dimples Zoom in the crack
- 15. 05/12/2017l.cordovagonzalez@utwente.nl 15 ALSI10MG FACTURE SURFACE (A) AL-Z porosity dimples Dimples seem more rounded than XY direction
- 18. 05/12/2017l.cordovagonzalez@utwente.nl 18 SCALMALLOY FRACTURE SURFACE (A) S-XY Irregular porosity imperfections dimples
- 21. 05/12/2017l.cordovagonzalez@utwente.nl 21 SCALMALLOY FRACTURE SURFACE S-Z Irregular porosity imperfections Crack initiation
- 23. POROSITY
- 27. 05/12/2017l.cordovagonzalez@utwente.nl 27 ALSI10MG CRACK & POROSITY AL-XY
- 31. 05/12/2017l.cordovagonzalez@utwente.nl 31 ALSI10MG CRACK & POROSITY AlSi10Mg Z AL-Z
- 35. 05/12/2017l.cordovagonzalez@utwente.nl 35 SCALMALLOY CRACK & POROSITY S-XY
- 39. 05/12/2017l.cordovagonzalez@utwente.nl 39 SCALMALLOY CRACK & POROSITY S-Z
- 40. Advantages Elongation Flexibility Customization New materials (Sc) 05/12/2017l.cordovagonzalez@utwente.nl 40 WRAP UP ADDITIVE MANUFACTURING (SLM) FOR CONVENTIONAL MANUFACTURING Disadvantages UTS Anisotropy Porosity The micro-testing method also adds advantages for AM: less material used, controlled environment, in-situ testing, fractography.