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CONCRETE INDUSTRY AND ABRASIVE WEAR

CONCRETE INDUSTRY AND ABRASIVE WEAR. The concrete industry. The concrete industry. ABRASIVE WEAR MECHANISMS. Two body abrasion. Three body abrasion. Three body abrasion. PIN ON DISC WEAR MACHINE. Dx650MC. Rst52.3. Dx460MC. Dx550MC. Dx600MC. Quenched & temperered. Weigth loss, mg.

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CONCRETE INDUSTRY AND ABRASIVE WEAR

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  1. CONCRETE INDUSTRY AND ABRASIVE WEAR

  2. The concrete industry

  3. The concrete industry

  4. ABRASIVE WEAR MECHANISMS Two body abrasion Three body abrasion Three body abrasion

  5. PIN ON DISC WEAR MACHINE Dx650MC Rst52.3 Dx460MC Dx550MC Dx600MC Quenched & temperered Weigth loss, mg Hardness, HV

  6. PADDEL WEAR MACHINE Rst52.3 Dx460MC Dx550MC Dx690MC Dx650MC Weigth loss, mg Quenched & Tempered Quenched & Tempered Hardness, HV

  7. Results from Wear test by F.X.MEILLER (Germany) 100 QSt380N St37 90 BS70 80 VS70 70 60 Relative Wear (St37=100%) 50 DOMEX WEAR 40 VS100 30 20 VS130 10 0 0 100 200 300 400 500 600 Hardness (HB)

  8. CONCRETE TRANSPORT IN PIPE

  9. CONCRETE MOVEMENT IN DRUM

  10. ACTIVE LAYER AND HARDNESS

  11. Effect of Microstructure and Composition on Wear 3.0 Bainitic steels (Austempered) Martensitic steels Relative Wear Resistance (pure iron = 1) 2.0 Austenitic steels Increasing Alloy Content Increasing C-content Perlitic steels Cold Work 1.0 400 600 800 200 Vickers hardness (HV)

  12. Wear during gravel transport 150 HV 250 HV 400 HV 290 HV Loss of volumen Rst52.3 Dx700 Q & T

  13. OTHER IMPORTANT PROPERTIES Weld HAZ 0.2 mm Formability Weldability

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