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A Simplified Approach for the Determination of Critical Velocity for Cold Spray Processes

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Abstract

A simple technique employing the first law of thermodynamics was used to predict the critical impact velocity for cold spray processes based on material properties of the particles and substrates. It has been shown that during its interaction with the substrate, a particle should reach around 70% of its melting temperature to obtain good mechanical bonding. To characterize the results in a general way, a non-dimensionalization of the relevant parameters was conducted and validated to determine the combination of cold spray process variables required for the particle to reach the critical impact velocity.

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Authors and Affiliations

  1. Department of Mechanical Engineering, South Dakota School of Mines and Technology, Rapid City, SD, 57701, USA

    Abdulaziz S. Alhulaifi & Gregory A. Buck

  2. Arbegast Advanced Materials Processing Center, South Dakota School of Mines and Technology, Rapid City, SD, 57701, USA

    Abdulaziz S. Alhulaifi & Gregory A. Buck

  3. Department of Mechanical Engineering Technology, Yanbu Industrial College, Yanbu Alsinayiah, 21477, Kingdom of Saudi Arabia

    Abdulaziz S. Alhulaifi

Authors
  1. Abdulaziz S. Alhulaifi
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  2. Gregory A. Buck
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Correspondence to Abdulaziz S. Alhulaifi.

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Alhulaifi, A.S., Buck, G.A. A Simplified Approach for the Determination of Critical Velocity for Cold Spray Processes. J Therm Spray Tech 23, 1259–1269 (2014). https://doi.org/10.1007/s11666-014-0128-8

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  • DOI: https://doi.org/10.1007/s11666-014-0128-8

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