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                包镍多↑壁碳纳米管增强SAC305焊料的I型断裂机理研『究

                张谋 秦飞 代岩伟

                张谋,秦飞,代岩伟.包镍多壁碳纳米管→增强SAC305焊料的I型断裂机理研究[J]. 微电子学与计算机,2023,40(1):124-129 doi: 10.19304/J.ISSN1000-7180.2022.0675
                引用本文: 张谋,秦飞,代岩伟.包镍多壁碳纳米管◤增强SAC305焊料的I型断裂机理研究[J]. 微电子学与计算机,2023,40(1):124-129 doi: 10.19304/J.ISSN1000-7180.2022.0675
                ZHANG M,QIN F,DAI Y W. Mode I fracture test of SAC305 solder reinforced by nickel coated multi-walled carbon nanotubes[J]. Microelectronics & Computer,2023,40(1):124-129 doi: 10.19304/J.ISSN1000-7180.2022.0675
                Citation: ZHANG M,QIN F,DAI Y W. Mode I fracture test of SAC305 solder reinforced by nickel coated multi-walled carbon nanotubes[J]. Microelectronics & Computer,2023,40(1):124-129 doi: 10.19304/J.ISSN1000-7180.2022.0675

                包镍多壁碳纳米管增强SAC305焊料的I型断裂机理研究

                doi: 10.19304/J.ISSN1000-7180.2022.0675
                基金项目: 国家自然科学基金项目(12272012)
                详细信息
                  作者简介:

                  张谋:男,(1994-),硕士研究生. 研究方向为电子封装技术●与可靠性

                  代岩伟:男,(1988-),副教授. 研究方向为电子封装技术中●的关键力学问题

                  通讯作者:

                  男,(1965-), 教授,博士生导师.研究方向为微电子封装技术与可靠性,先进制造〓中的力学问题.E-mail:qfei@bjut.edu.cn

                • 中图分类号: TN405

                Mode I fracture test of SAC305 solder reinforced by nickel coated multi-walled carbon nanotubes

                • 摘要:

                  发展高可靠的互连封装新型焊料已经成㊣为电子封装领域的前沿研究内容之一. 本文制备了包镍碳纳米管增强SAC305焊料,并开展了不同含量增强SAC305焊料的双悬臂梁试样I型◤断裂测试,得到了不同添加含量SAC305的载荷-位移曲线. 基于柔度的梁方法理论(CBBM)计算了增强焊料的I型断裂韧度. 研究结果表明,其I型断裂韧度随着包镍◢碳纳米管质量分数的增加,表现出先升高后降低的趋势. 没有添加包镍碳纳米管的SAC305焊料的I型断裂韧度约为0.53 N/mm,添加0.05wt%包镍碳纳米管的增强焊料的I型断裂韧度最高,约为1.14 N/mm,相较于没有添加包镍碳纳米管的SAC305焊料断裂韧度提高了1.15倍,表现出更好的抵抗裂纹→扩展的特性.

                   

                • 图 1  试样示意图

                  Figure 1.  Schematic specimen

                  图 2  双悬臂梁试样制备过程

                  Figure 2.  Manufacturing process of DCB sample

                  图 3  回流焊温度曲线

                  Figure 3.  Reflow soldering temperature curve

                  图 4  试验设备及载荷-位移曲线

                  Figure 4.  Equipment for the test and load-displacement curve

                  图 5  不同含量包镍碳纳米管 SAC305 双悬臂梁 试样载荷-位移曲线

                  Figure 5.  Loading-displacement curves of SAC305 double cantilever beams with different contents of Ni-MWCNTs

                  图 6  不同含量包镍碳纳米管 SAC305 双悬臂 梁试样能量释放率

                  Figure 6.  GIC of Ni-coated carbon nanotubes SAC305 double cantilever beams with different contents

                  图 7  不同 DCB 试样裂纹路径形貌

                  Figure 7.  Crack path morphology of different DCB specimens

                  表  1  DCB试样的尺寸

                  Table  1.   Dimensions of the DCB specimen

                  符号物理参数尺寸/mm
                  L1
                  铜片键合长度75
                  L2铜∩片夹持长度25
                  B铜板宽度8
                  h铜板厚度1.2
                  a0预置裂纹长度3
                  t焊料层厚度0.1
                  下载: 导出CSV

                  表  2  不同包镍碳纳米管含量的◢I型拉伸试验的临界断裂载荷P(N)

                  Table  2.   Critical loads P(N) of the Type I tensile test for different contents of Ni-MWCNTs

                  包镍碳纳
                  米管含量
                  试样1试样2试样3试样4试样5平均值
                  0.00wt%87.1180.8287.0284.4383.4784.57
                  0.01wt%99.8490.71112.9893.6297.3598.90
                  0.03wt%94.9993.53100.94109.4490.4397.87
                  0.05wt%134.54132.51147.31152.69142.18141.85
                  0.10wt%125.65112.92132.22125.65103.14119.92
                  0.20wt%117.15114.72115.26117.31115.30115.95
                  0.50wt%83.0384.42102.32106.3480.8491.39
                  下载: 导出CSV
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                出版历程
                • 收稿日期:  2022-10-28
                • 修回日期:  2022-12-14
                • 网络出版日期:  2023-01-18

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