Properties of Hollow Glass Microspheres Obtained in a Propane-Air Torch

被引：0

作者：

Shekhovtsov, V. V. ^{[1
]}

Kaz'mina, O. V. ^{[2
]}

Skripnikova, N. K. ^{[1
]}

Skirdin, K. V. ^{[1
,2
]}

Bakshanskii, R. Yu. ^{[1
]}

Belyaeva, A. V. ^{[2
]}

机构：

[1] Tomsk State Univ Architecture & Civil Engn TGASU, Tomsk, Russia

[2] Tomsk Polytech Univ TPU, Tomsk, Russia

来源：

GLASS AND CERAMICS | 2023年 / 80卷 / 3-4期

关键词：

hollow glass microspheres; soda-borosilicate glass; propane-air medium;

D O I：

10.1007/s10717-023-00570-0

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Hollow glass microspheres were obtained from soda-borosilicate glass by a high-temperature method, weight content, %: 10 Na2O; 8 CaO; 0.3 MgO; 0.2 Al2O3 ; 9 B2O3 ; 0.5 SO3 ; 72 SiO2 . It was ascertained that the maximum yield of microspheres, up to 87%, is observed on use of a propane-air torch with the following characteristics: air/propane ratio 1.3; maximum temperature on the flame axis 1900 & DEG;C; opening angle about 15 & DEG;; and, flow rate of carrier gas 0.2 g/sec. The hollow glass microspheres obtained in this regime are characterized by median diameter 60 & mu;m, average wall thickness 1.3 & mu;m, bulk density 260 kg/m(3), and calculated strength 50 MPa.

引用

页码：125 / 130

页数：6

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