Optoacoustic Effects in Pentaerythritol Tetranitrate with Ultrafine Aluminum-Particle Inclusions under Pulsed-Laser Action
- 作者: Aduev B.P.1, Nurmukhametov D.R.1,2, Belokurov G.M.1, Nelyubina N.V.1, Tupitsyn A.V.3
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隶属关系:
- Institute of Coal Chemistry and Material Science, Siberian Branch
- Kemerovo State University
- Yurga Technological Institute
- 期: 卷 124, 编号 3 (2018)
- 页面: 412-417
- 栏目: Lasers and their Applications
- URL: https://ogarev-online.ru/0030-400X/article/view/165659
- DOI: https://doi.org/10.1134/S0030400X18030049
- ID: 165659
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详细
Results of studying optoacoustic characteristics of pentaerythritol tetranitrate (PETN) specimens with inclusions of ultrafine aluminum particles (100 nm) are presented. Regularities of the increase of extinction coefficient kef and signal amplitude U on a piezodetector by increasing laser-pulse fluence H have been established. Estimates have been made, and it has been concluded that, during a laser pulse, heating of aluminum inclusions and a shell surrounding it occurs up to a gasification temperature and appear craters on a specimen’s surface appear at H > 0.1 J/cm2.
作者简介
B. Aduev
Institute of Coal Chemistry and Material Science, Siberian Branch
编辑信件的主要联系方式.
Email: lesinko-iuxm@yandex.ru
俄罗斯联邦, Kemerovo, 650000
D. Nurmukhametov
Institute of Coal Chemistry and Material Science, Siberian Branch; Kemerovo State University
Email: lesinko-iuxm@yandex.ru
俄罗斯联邦, Kemerovo, 650000; Kemerovo, 650000
G. Belokurov
Institute of Coal Chemistry and Material Science, Siberian Branch
Email: lesinko-iuxm@yandex.ru
俄罗斯联邦, Kemerovo, 650000
N. Nelyubina
Institute of Coal Chemistry and Material Science, Siberian Branch
Email: lesinko-iuxm@yandex.ru
俄罗斯联邦, Kemerovo, 650000
A. Tupitsyn
Yurga Technological Institute
Email: lesinko-iuxm@yandex.ru
俄罗斯联邦, Yurga, 652057
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