Low-temperature machining in a fully submerged cryogenic environment

Zhiyu Wang, Saurabh Basu, Christopher Saldana

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The role of an immersive cryogenic environment in affecting material response in machining was explored using dynamometry, calorimetry, electron microscopy, and microindentation. Effects of tool rake angle on energy dissipation, stored energy of cold work, deformed microstructure, and hardening were evaluated for machining under a fully submerged cryogenic cutting environment and a dry cutting environment. Sustained immersion of the cutting zone in liquid nitrogen resulted in greater energy dissipation and hardening in the work and machined subsurface. This increased hardening at low temperature was directly linked to greater microstructure refinement and a lower fraction of dissipated energy stored in the form of added defects and grain boundaries. Various microstructure types with domain sizes from microscale to nanoscale were developed in the machined chips, depending on the rake angle and temperature used.

Original languageEnglish (US)
Pages (from-to)19-36
Number of pages18
JournalMachining Science and Technology
Issue number1
StatePublished - Jan 2 2017

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering


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