Nanosecond laser pulse melting of stressed refractory materials: real-time laser ultrasonics and spectral radiometry studies with high spatio-temporal resolution

Project: Research project

Call title (Call ID)

Faculty Development Competitive Research Grant Program 2019-2021

Project Description

The goal of this project is to develop novel advanced opto-mechanical instrumentation for accurate, accelerated and down-sized high temperature testing of stressed metallic and ceramic refractory materials for their physico-chemical stability using non-contact, furnace-free rapid surface melting by nanosecond pulse lasers with in-situ real-time assessment of their thermal, mechanical, chemical and microstructural properties with nanosecond temporal and micron-scale spatial resolutions. Proposed research aims at developing advanced fast melting technique for rapid high temperature testing of stressed refractory metals and ultra-high temperature ceramics (UHTC) for advanced nuclear & fusion reactors, supersonic jets, rocket propulsion and other industrial applications involving materials under harsh environment of high temperature and stress states.
Short titleNanosecond laser melting
AcronymNLM
StatusActive
Effective start/end date1/31/1912/31/21

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refractory materials
temporal resolution
ultrasonics
melting
high resolution
pulses
lasers
ceramics
refractory metals
fusion reactors
propulsion
rockets
chemical properties
furnaces
thermodynamic properties
spatial resolution
mechanical properties

Keywords

  • Nanoseond laser melting, pulse, refractory materials, ceramics, metals, high temperature, thermodynamics, laser acoustucs, ultrasonics, shear waves, melting point, rapid melting, fast pyrometry, spectral radiometry, stress, resoidification