鋁合金板件不銹鋼螺栓連接的高溫承載性能分析
發(fā)布時間:2018-09-10 06:14
【摘要】:完成10個高溫下鋁合金板件不銹鋼螺栓雙剪連接試驗,考慮芯板尺寸、蓋板尺寸和螺栓規(guī)格的影響,試驗溫度分別為20、200和300℃,研究抗剪連接的破壞模式、變形性能和極限承載力.試驗結(jié)果表明:溫度會影響抗剪連接的破壞模式.采用ABAQUS建立數(shù)值分析模型,得到的數(shù)值分析結(jié)果與試驗結(jié)果吻合良好.進一步研究溫度、芯板寬度、芯板厚度、螺栓直徑和螺栓端距等參數(shù)對連接承載力的影響,擬合得出鋁合金板件不銹鋼螺栓抗剪的高溫承載力計算公式,并將擬合公式與試驗結(jié)果進行對比,驗證公式的有效性.
[Abstract]:The double shear connection tests of stainless steel bolts for aluminum alloy plates at 10 high temperatures were completed. Considering the influence of core board size, cover plate size and bolt specification, the test temperature was 20200 鈩,
本文編號:2233617
[Abstract]:The double shear connection tests of stainless steel bolts for aluminum alloy plates at 10 high temperatures were completed. Considering the influence of core board size, cover plate size and bolt specification, the test temperature was 20200 鈩,
本文編號:2233617
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