Toughening effect of mullite whisker within low-density ceramic proppants

Jianying Hao; Baolin Mu; Yunfeng Gao; Pinbo Bai; Yuming Tian; Guomin Li

doi:10.1177/2633366X19890625

Advanced Composites Letters (Nov 2019)

Toughening effect of mullite whisker within low-density ceramic proppants

Jianying Hao,
Baolin Mu,
Yunfeng Gao,
Pinbo Bai,
Yuming Tian,
Guomin Li

Affiliations

Jianying Hao: Department of Mechanical Engineering, Institute of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, China
Baolin Mu: Department of Mechanical Engineering, Institute of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, China
Yunfeng Gao: Department of Mechanical Engineering, Institute of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, China
Pinbo Bai: Changqing Fracturing Proppant Co. Ltd, Yangquan, China
Yuming Tian: Shanxi Engineering Vocational College, Taiyuan, China
Guomin Li: Department of Mechanical Engineering, Institute of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, China

DOI: https://doi.org/10.1177/2633366X19890625
Journal volume & issue: Vol. 28

Abstract

Read online

Main crystal phases of low-density ceramic proppants prepared by bauxite and feldspar are granular corundum and whisker-shaped mullite. Mullite whiskers are interlocked with one another and piled up inside the pores. High aspect ratio of mullite whiskers inside the pores can greatly enhance the fracture toughness. The dominant toughening mechanism for the proppants is attributed to crack bifurcation and deflection and pulling out and bridging effect of mullite whiskers.

Published in Advanced Composites Letters

ISSN: 0963-6935 (Print); 2633-366X (Online)
Publisher: SAGE Publishing
Country of publisher: United Kingdom
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials
Website: https://journals.sagepub.com/home/acm

About the journal