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如何断定建筑扣件的损坏

Release time：

2020-11-04 16:23

source：

      建筑扣件疲劳点蚀使得建筑扣件工作过热及建筑扣件间隙过大，造成建筑扣件中部疲劳损伤、疲劳点蚀或者疲劳脱落。这种损伤大多是因为超载、建筑扣件间隙过大或者润滑油不清洁、内中混有异物所致。润滑油中所含的化学杂质使建筑扣件合金氧化而生成酸性物质，建筑扣件合金腐蚀一般是因为润滑油不纯，引起建筑扣件合金局部脱落，形成无规则的微小裂孔或小凹坑。

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