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Inside Cover: Effects of Crystal Quality and Morphology on the Mechanical Performance of LLM‐105 Based PBXs (Prop., Explos., Pyrotech. 10/2019)
Author(s) -
Yang Zhijian,
Lin Congmei,
Gong Feiyan,
Zeng Chengcheng,
Zhang Jianhu,
Huang Fenglei
Publication year - 2019
Publication title -
propellants, explosives, pyrotechnics
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.56
H-Index - 65
eISSN - 1521-4087
pISSN - 0721-3115
DOI - 10.1002/prep.201981002
Subject(s) - materials science , ultimate tensile strength , surface roughness , recrystallization (geology) , mechanical strength , composite material , crystal (programming language) , creep , flexural strength , computer science , geology , paleontology , programming language
The cover picture shows the effects of crystal surface on the mechanical performance of LLM‐105 based PBXs. Crystals with high quality after recrystallization has poor tensile strength for PBXs, but can be visibly improved by acid treatment. Spherical morphology is profitable for both mechanical strength and creep resistance. Surface roughness has critical influence on the mechanical performance, because the anchor points created can be helpful for the bonding between energetic crystals and polymer matrix, thus increasing the interfacial strength and dimensional stability. Details are discussed in the article by Zhijian Yang, et al. on page 1219 ff.