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Dose and Energy Dependence of Helium Ion Irradiated Monel-400

Pande, BM
Scientific officer, scientific officer, and head of material science section,Bhabha Atomic Research Centre,

Anand, MS
Scientific officer, scientific officer, and head of material science section,Bhabha Atomic Research Centre,

Agarwala, RP
Scientific officer, scientific officer, and head of material science section,Bhabha Atomic Research Centre,

Pages: 8    Published: Jan 1987

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Source: STP955-EB

Abstract

Monel-400 was irradiated with helium ions of energies varying from 2 to 3 MeV in Van-de-Graaff. Dose and energy dependence of surface damage was studied. A minimum dose, which gave rise to observable surface damage in Monel-400 at 2 MeV, was 5 × 10²⁰ ions/m². This increased to 7.5 × 10²⁰ ions/m² at 3 MeV. The present experiments resulted in the formation of exfoliations without observable blisters. There were repetitive layers of exfoliated area on irradiation to higher doses for all the energies.

Keywords:
helium ions, ions, irradiation, dose, energy, range, Monel-400, surface damage, exfoliation, blisters, scanning electron microscope

Paper ID: STP33869S
Committee/Subcommittee: E10.07
DOI: 10.1520/STP33869S
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