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  1. EXTREMA RATIO HF 2 T BLACK. 410,34 €. Añadir al carrito. This folding knife is projected for those who are looking for sturdiness and reliability of a fixed blade but also for compact sizes. Its N690 steel blade is available with Drop or Tanto point.

  2. XPS analysis and DFT calculations show that solute Ag atoms can induce the tribo-oxidation products (HfO 2, Ag 2 O) and self-lubricating phase (Ag) of solid solution Hf-Ag-N coating (A1) during friction.

  3. Hard Friction 2 (HF2) Sexualité explicite. 2009. Film pornographique. Classement du film; Fiche technique; Distributeurs; Versions du film; Classement du film. Classement. Sexualité explicite. Motifs de classement. Ce film a comme propos essentiel de présenter des actes sexuels de manière explicite.

  4. The refinement of grains and uniform dispersion of high-hardness, unmelted Cr 3 C 2 particles, along with subsequent formation of Cr 23 C 6 and Cr 7 C 3 hard phase particles, effectively hinder dislocation slip, reduce plastic deformation of the metal matrix, mitigate surface wear, and decrease the contact area between the substrate and friction pair .

  5. deltathermindia.com › hard-facingDeltaTherm

    Higher coefficient of friction, spray type high recovery welding alloy for super conditioning of sugar rolls and cane feed alloys. HF-5 High recovery, resists severe abrasion at elevated temperature

  6. The American National Standard A326.3 describes the test method for measuring dynamic coefficient of friction (DCOF) of hard surface flooring materials in the laboratory and in the field. The standard also includes DCOF specifications, product use classifications and guidance on defining hard surface flooring materials.

  7. Abstract. From accelerated C 60 ions at temperatures of 200 and 300°C hard wear-resistant carbon coatings were deposited. It has been established that the mechanical properties of the coatings are determined by the substrate temperature (T s) and the energy composition of the beam.The hardness of coatings deposited from \({\text{C}}_{{60}}^{ + }\) ions with an energy of 7 keV exceeds 50 GPa ...