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Sn58Bi焊点在恒温干燥箱中480小时以后,通电流为4*103A/cm3时为什么剪切强度比不通电流高
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Sn58Bi焊点在恒温干燥箱中480小时以后,通电流为4*103A/cm3时为什么剪切强度比不通电流高
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- 1Mechanical strength and fracture mode transition of Sn-58Bi epoxy solder joints under high-speed shear testindicating that theresistance to plastic deformation was increased withincreasing shear ram displacement rate.Other interesting feature in this study is that the surfacefinish material did not significantly affect the shear force ofthe Sn-58Bi solder joints under high-speed shear loading.As shown in Fig.5, the shear force for the three kinds of (a)(b)(c) OSPENIGENEPIG Sn-rdoi Foundation2012-07-05深度解析
- 2攀钢集团攀枝花钢铁研究院有限公司申请改善镀锌高强钢点焊接头性能专利,提高点焊接头剪切性能_显示_铝合金_熔点同时配合二段式点焊工艺,其中第一段式主要是预热镀锌高强钢板,使其初步形成熔核,在铝合金与镀锌钢强钢表面形成高熔点化合物,抑制液态锌向高强钢侧渗透,第二段式使镀锌高强钢熔核长大,扩大熔核的横截面面积,从而提高点焊接头剪切性能。 来源:金融界返回搜狐,查看更多搜狐2024-11-21
- 3Effect of Mo and ZrO2 nanoparticles addition on interfacial properties and shear strength of Sn58Bi/Cu solder joint - ScienceDirectZrCu and ZrSn2 are detected in Sn58Bi + ZrO2/Cu solder joint. IMC layers for both composite solders comprise of Cu6Sn5 and Cu3Sn. The SEM images of these layers were used to measure the IMC layer’s thickness. The average IMC layer’s thickness is 1.4431 µm for Sn58Bi + Mo/Cu and 0.9112 µm for Sn58Bi + ZrO2/Cu solder joints. Shear strength of the solder joints was investigatedScienceDirect2024-08-01
- 4Impacts of temperature gradient on microstructure and properties of Cu/Sn58Bi-0.6B4C NPs/Cu joints fabricated by vacuum thermal compression bonding - ScienceDirectShear strength and fracture behavior of reflowed Sn3.0Ag0.5Cu/Cu solder joints under various strain rates J. Alloy. Compd. (2017) C. Chen et al. Ultrasonic-assisted connection of Cu/Cu structure using Sn58Bi solder enhanced by B4C nanoparticles J. Mater. Process. Technol. (2023) H.Z. Wang et al. Effects of Ni modified MWCNTs on the microstructural evolution and shear strength of Sn-3.0Ag-0.5Cu composite solder jointsScienceDirect2024-03-01网页解析
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