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爆炸焊接法制備銦/鐵復(fù)合板的實(shí)驗(yàn)與數(shù)值模擬
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作者單位:

1.南京理工大學(xué) 瞬態(tài)物理國(guó)家重點(diǎn)實(shí)驗(yàn)室，江蘇 南京 210094;2.安徽弘雷金屬?gòu)?fù)合材料科技有限公司，安徽 宣城 242000

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基金項(xiàng)目:

國(guó)家自然科學(xué)基金項(xiàng)目（12102427，12102202）；瞬態(tài)物理國(guó)家重點(diǎn)實(shí)驗(yàn)室基金（6142604210401）


Experiment and Numerical Simulation of Indium/Iron Composite Plate Prepared by Explosive Welding
Author:
Affiliation:

1.National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing 210094, China;2.Anhui Honlly Clad Metal Materials Technology Co., Ltd, Xuancheng 242000, China

Fund Project:

National Science Foundation for Young Scientists of China (12102427, 12102202); Foundation of National Key Laboratory of Transient Physics (6142604210401)

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    摘要:

    提出了一種通過在炸藥與復(fù)合板之間增加一層速度調(diào)整板，以獲得理想焊接條件的用于制備銦/鐵復(fù)合板的新型爆炸焊接方法。通過理論方法計(jì)算了爆炸焊接參數(shù)，通過實(shí)驗(yàn)對(duì)炸藥載荷的影響進(jìn)行了研究。應(yīng)用光滑粒子流體動(dòng)力學(xué)（SPH）方法進(jìn)行數(shù)值模擬以驗(yàn)證參數(shù)有效性，探究了結(jié)合界面的成型機(jī)理，并研究了壓力和塑性應(yīng)變的分布。結(jié)果表明，當(dāng)炸藥厚度增加時(shí)，界面波形結(jié)構(gòu)更明顯。界面剪切試驗(yàn)結(jié)果表明銦/鐵復(fù)合板結(jié)合面抗剪切強(qiáng)度為16 MPa，比純銦材料的抗剪切強(qiáng)度高，且三點(diǎn)彎曲試驗(yàn)之后復(fù)合板結(jié)合界面無裂紋。采用改進(jìn)的爆炸焊接方法可以有效制備高質(zhì)量銦/鐵復(fù)合板。

    Abstract:

    A novel explosive welding method was proposed to prepare the indium/iron composite plate by inserting a velocity-control plate between the explosive and composite plate to achieve the ideal welding condition. The experiments were conducted to investigate the effects of explosive load, and the parameters of explosive welding were calculated by the theoretic method. Numerical simulation of the smoothed particle hydrodynamics (SPH) method was used to verify the parameters and to investigate the formation mechanism of the bonding interface. The distributions of pressure and plastic strain were also studied. Results show that the wave structures become more obvious when the explosive thickness increases. The shear test results indicate that the shear strength of indium/iron composite plate is 16 MPa, which is higher than that of the indium material. After the three-point bending test, no cracks can be observed at the bonding interface. The modified explosive welding method can effectively prepare the high quality indium/iron composite plate.

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曹超,王金相,楊明,唐奎,方雨.爆炸焊接法制備銦/鐵復(fù)合板的實(shí)驗(yàn)與數(shù)值模擬[J].稀有金屬材料與工程,2023,52(3):883~889.[Cao Chao, Wang Jinxiang, Yang Ming, Tang Kui, Fang Yu. Experiment and Numerical Simulation of Indium/Iron Composite Plate Prepared by Explosive Welding[J]. Rare Metal Materials and Engineering,2023,52(3):883~889.]
DOI：10.12442/j. issn.1002-185X.20220507

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  • 收稿日期:2022-06-10
  • 最后修改日期:2022-07-04
  • 錄用日期:2022-07-12
  • 在線發(fā)布日期: 2023-03-31
  • 出版日期: 2023-03-24