FCG：疲劳裂纹扩展

疲劳裂纹扩展（Fatigue Crack Growth，简称FCG）是材料科学与物理学领域中的重要概念，常用于描述材料在循环载荷作用下裂纹逐渐扩展的现象。这一术语在学术研究和工程应用中频繁出现，使用缩写FCG能够有效提高书写和表达的效率。

The fatigue testing of the heterogeneous plates showed that the mechanical heterogeneity affected the fatigue crack growth rate.
试验表明，力学不均匀性影响疲劳裂纹扩展(FCG)速率。
Finite element study of the effects of compressive load on the fatigue crack growth in Paris Region
压载荷对疲劳裂纹在Paris区内扩展影响的有限元研究
To meet the development of steels used for the large engineering machinery, fatigue crack growth rates of a high strength low alloy steel HG80 and welded joint were investigated.
为适应大型工程机械焊接用钢需要，对低合金高强度钢HG80及其焊接接头的疲劳裂纹扩展(FCG)速率进行了研究。
An investigation of the effects of mean and alternating stresses on short fatigue crack growth under uniaxial loading is reported.
本文报道单向加载下平均应力和交变应力对疲劳短裂纹生长的影响。
Particula emphasis has been devoted to the influence of load ratio and microstructure on behaviour of near-threshold fatigue crack growth.
着重分析了载荷比和显微结构对门坎值附近裂纹扩展行为的影响。

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