Toughening silica glass by imparting ductility using a small amount of silver nanoparticles

Lei Liu; Kenji Shinozaki

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Toughening silica glass by imparting ductility using a small amount of silver nanoparticles

机译：通过使用少量银纳米颗粒赋予延展性来增韧二氧化硅玻璃

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Imparting ductility to glass effectively counters brittleness caused by stress concentration. Spark plasma sintering of silica (SiO_2) nanopowder and a silver nitrate mixture successfully dispersed silver (Ag) nanoparticles into a SiO_2 glass matrix. The Ag-precipitated SiO_2 glass showed crack bridging during crack propagation and softening owing to the ductility imparted by Ag. Compared with SiO_2 glass, Ag-precipitated SiO_2 glass exhibited fewer cone cracks and suppressed radial crack propagation, resulting in a significantly improved fracture toughness (2.01 ± 0.2 MParn~(1/2) for Ag-precipitated SiO_2).

机译：赋予玻璃延展性有效地计数由应力浓度引起的脆性。火花等离子体烧结二氧化硅（SiO_2）纳米粉末和硝酸银混合物成功地将银（Ag）纳米颗粒分散到SiO_2玻璃基质中。由于Ag赋予的延展性，Ag沉淀的SiO_2玻璃显示出裂纹繁殖和软化期间的裂纹桥接。与SiO_2玻璃相比，Ag沉淀的SiO_2玻璃表现出较少的锥形裂缝并抑制径向裂纹繁殖，导致Ag沉淀的SiO_2的断裂韧性显着改善（2.01±0.2mParn〜（1/2））。

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来源
《Materials Science and Engineering》 |2021年第10期|141372.1-141372.5|共5页
作者
Lei Liu; Kenji Shinozaki;
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作者单位

National Institute of Advanced Industrial Science and Technology (AIST) 1-8-31 Midorigaoka Ikeda Osaka 563-8577 Japan;

National Institute of Advanced Industrial Science and Technology (AIST) 1-8-31 Midorigaoka Ikeda Osaka 563-8577 Japan PRESTO Japan Science and Technology Agency (JST) Kawaguchi Saitama 332-0012 Japan;

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正文语种 eng
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关键词
Silica glass; Ductility; Fracture toughness; Ag nanoparticles; Crack bridging;

机译：二氧化硅玻璃;延展性;断裂韧性;Ag纳米粒子;裂缝桥接;

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1. Characterization and Synthesis of Silica-Coated Silver Nanoparticles by Sol-Gel Method with Controlling of Adding Ammonical Silver Nitrate Amount [J] . PIN-HSIANG CHIU, CHIEN-JUNG HUANG, TZU-YU WU Ferroelectrics . 2011,第Null期

机译：硝酸铵铁量控制的溶胶-凝胶法表征和包覆二氧化硅纳米银
2. Structure of silver nanoparticles in silicate glass and of nanoparticles-glass interfaces [J] . M. Dubiel, X. Yang, R. Schneider European Journal of Glass Science and Technology, PartB. Physics and Chemistry of Glasses . 2005,第4期

机译：硅酸盐玻璃中银纳米颗粒的结构以及纳米颗粒-玻璃界面
3. On-Line Optical and Morphological Studies of Silver Nanoparticles Growth Formed by Nanosecond Laser Irradiation of Silver-Exchanged Silicate Glass [J] . Olivier Véron, Jean-Philippe Blondeau, Micha? Grabiec, Plasmonics . 2013,第1期

机译：纳秒激光辐照交换银的硅酸盐玻璃形成的银纳米颗粒生长的在线光学和形态学研究
4. Investigation of gold and bimetallic gold/silver nanoparticles in soda-lime-silicate glasses formed by means of excimer laser irradiation [C] . M. Heinz, M. Dubiel, J. Meinertz, Synthesis and photonics of nanoscale materials XIV . 2017

机译：受激准分子激光辐照形成的钠钙硅酸盐玻璃中金和双金属金/银纳米粒子的研究
5. Nanosphere lithography: I. Fabrication and characterization of large area silver nanoparticle arrays. II. Electrochemical tuning of silver nanoparticle size. III. Nanoparticle shape as a function of size for silver, gold, cobalt, palladium, and platinum nanoparticle. [D] . Ormonde, Anjeanette D. 2001

机译：纳米球光刻：I.大面积银纳米颗粒阵列的制造和表征。二。银纳米粒子尺寸的电化学调节。三，银，金，钴，钯和铂纳米粒子的纳米粒子形状随尺寸变化。
6. Higher Toughness of Metal-nanoparticle-implanted Sodalime Silicate Glass with Increased Ductility [O] . Madoka Ono, Satoshi Miyasaka, Yoichi Takato, -1

机译：金属纳米粒子植入的钠铝硅酸盐玻璃具有更高的韧性并具有更高的延展性
7. Higher Toughness of Metal-nanoparticle-implanted Sodalime Silicate Glass with Increased Ductility [O] . Madoka Ono, Satoshi Miyasaka, Yoichi Takato, 2019

机译：金属纳米粒子植入钠硅酸盐玻璃的较高韧性，延展性增加

Toughening silica glass by imparting ductility using a small amount of silver nanoparticles

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