Lamellar tearing is a kind of brittle fracture in thick plate of steel structures, which usually occurs in cruciform, tee and corner joints.

层状撕裂是钢结构厚板中的一种脆性断裂形式，通常发生在十字形接头、T形接头和角接接头中。

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The lamellar cracking was found at the specimen of HSLA Nb-V steel plate after tensile strength testing, then the fracture surface of the specimen was studied by SEM and EDAX.

针对高强度低合金铌钒钢板在拉伸试验后出现分层开裂的现象，采用SEM、EDAX进行微观分析，发现试样内部有大量夹杂物存在，这些夹杂物主要含有钙、氧、硫、锰等元素。

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The fracture toughness of lamellar microstructure is higher than that of equiaxial microstructure when deformed above the phase transition.

相变点以上得到片层组织，片状组织的断裂韧性高于等轴组织。

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