摘要
研究的连接器是进口产品,在安装施工过程中多次发生断裂事故。对其进行成分、组织和性能分析结果证明:连接器材料是铸造铝合金,强度不高,并且没有经过变质处理,脆性的针状和网状共晶体弱化了晶界,因而导致了沿晶断裂。改善材质或者采用带加强筋的连接器可以保证安全。
The connector for research is imported product. Many rupture failures occurred in process of installation. Analysis results of constituents, organization and performance show： material of connector is cast aluminium alloy, its strength is not enough, and without inoculation, brittle needle-alike and netalike eutectic weaken intercrystalli.ne face, which results in intercystalline fracture. Improvement of material property or connector with reinforce panel can ensure safety.
出处
《安徽理工大学学报（自然科学版）》
CAS
2007年第4期19-20,共2页
Journal of Anhui University of Science and Technology:Natural Science
关键词
连接器
铝合金
变质处理
沿晶断裂
失效分析
connector
aluminium alloy
inoculation
intercrystalline fracture
failure analysis
