Effect of slag basicity on Turing pattern corrosion of alumina refractory ceramics in the presence of free radicals-Reference-Cited by-同舟云学术

Effect of slag basicity on Turing pattern corrosion of alumina refractory ceramics in the presence of free radicals

Published:2023-05-16 Issue:10 Volume:106 Page:6211-6220
ISSN:0002-7820
Container-title:Journal of the American Ceramic Society
language:en
Short-container-title:J Am Ceram Soc.

Author:

Peng Yuefang¹,Li Shenghao¹,Huang Ao¹^ORCID,Gu Huazhi¹^ORCID,Zou Yongshun¹^ORCID,Fu Lvping¹^ORCID

Affiliation:

1. The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and Technology Wuhan China

Abstract

AbstractTuring pattern corrosion causes serious damage to alumina ceramics. Therefore, the quaternary slag corrosion of alumina refractory ceramics was studied with different slag basicity by adjusting relative content of MgO and Al2O3. The results show that reactive oxygen species (ROS) like singlet oxygen and superoxide radicals are generated in the slags. The height of corrosion peak is determined by both the original superoxide radical and the amount of non‐bridging oxygen (NBO) of the slags under the change of basicity. Moreover the influence of free radicals on the corrosion peak is greater than that of NBOs. A free‐radical reaction was proposed as the formation mechanism of the Turing pattern corrosion peaks based on ROS.

Funder

National Natural Science Foundation of China

Special Project of Central Government for Local Science and Technology Development of Hubei Province

Publisher

Wiley

Subject

Materials Chemistry,Ceramics and Composites

Reference29 articles.

1. Isolation or corrosion of microporous alumina in contact with various CaO-Al 2 O 3 -SiO 2 slags

2. Corrosion of Corundum–MgAl2O4 Spinel-Based Castables in CaO–SiO2–Fe2O3–Al2O3-Based Slag at 1650 °C

3. Enhanced mechanical properties of lightweight Al 2 O 3 ‐C refractories reinforced by combined one‐dimensional ceramic phases

4. Corrosion mechanism of cement-bonded Al2O3–MgAl2O4 pre-cast castables in contact with molten steel and slag

5. Effect of w(MgO)/w(Al2O3) ratio and basicity on microstructure and metallurgical properties of blast furnace slag

Cited by 2 articles. 订阅此论文施引文献订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献

1. Weak magnetic effect and free radical reaction mechanism on the dissolution of lightweight magnesia in CaO–Al2O3–SiO2 melts;Chemical Engineering Journal;2024-09

2. Wetting Behavior of High Alumina Slags on the Fused Magnesia under Different Atmospheres and Low Static Magnetic Field;steel research international;2024-03-25