Mechanical properties and scratch test resistance of nickel–boron coated aluminium alloy after heat treatments
作者： V. Vitry , F. Delaunois , C. Dumortier
DOI: 10.1016/J.SURFCOAT.2007.12.001
关键词:
摘要: Abstract Electroless nickel–boron deposits were synthesized on aluminium alloys and submitted to heat treatments under neutral (95% Ar + 5% H 2 ) atmosphere. Two set of treatment conditions used: 1 h at 400 °C 4 h 180 °C. Micro- nanohardness measurements carried out the free surface sample polished cross-sections. A comparative hardness study was conducted assess influence load, indent position (free or cross section), results indentation tests. Scratch tests made selected coatings their adhesive properties scratch resistance. Roughness before after treatments. The samples also investigated by XRD (X-ray Diffraction), SEM (Scanning electron microscopy) optical microscopy link mechanical composition, structure morphology.
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