Research and Application of Materials Science

Characterization of a Bonding Method for High Borosilicate Glass to Kovar Alloy Sealing by Laser Welding

CHENChangjun (Laser Processing Research Center, School of Mechanical and Electric Engineering, Soochow University；State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology), SHAOJiaqi (Laser Processing Research Center, School of Mechanical and Electric Engineering, Soochow University), ZHANGMin (Laser Processing Research Center, School of Mechanical and Electric Engineering, Soochow University)

Abstract


Glass to metal sealings have many excellent properties and they are extensively used in various industries. Applications for laser glass tube for carbon dioxide laser requires hermetic and mechanically strong seals. With the purpose of fully utilize its effectiveness of glass and metal sealings’ properties and enlarge their applications, bond the glass to metal is an important method. Hermetic seals between kovar alloy and borosilicate glass can be produced using a novel laser sealing method when compared to bonding method based on glass pressing at temperatures around the softening point. This paper presents investigation results for the shear tensile bond strength and the waterproof resistance depending on the manufacturing process parameters. The shear bond strength of the glass to metal sealing was amounted to only 9.84 MPa when using traditional high temperature holding process. The maximum shear bond strength can be amounted to 43.68 MPa when sealed by laser welding process. And good adherence with a very high waterproof resistance can ben obtained. The bonding mechanisms was revealed by SEM methods to analyze the interface.

Keywords


glass to metal sealing; laser welding; shear strength

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References


Donald I, Mallinson P, Metcalfe B, et al. Recent developments in the preparation, characterization and applications of glass-and glass-ceramic-to-metal seals and coatings[J]. Journal of Materials Science, 2011(46):1975–2000.

Song S. New glass-ceramic sealants for Na/S battery[J]. Journal of Solid State Electrochemistry, 2010, 14(9):S1735–S1740.

Gomez-Vega J , J. M. Gomez-Vega, A. Hozumi, et al. Bioactive glass-mesoporous silica coatings on Ti6Al4V through enameling and triblock-copolymer-templated sol-gel processing[J]. Journal of Biomedical Materials Research Part A, 2001(3):56:307–459.

Yi R., Chen, C., Li, Y. et al. The bonding between glass and metal [J]. International Journal of Advanced manufacturing technology, 2020(111):963–983.

Zhang LX, Wu LZ, Liu D, et al. Interface microstructure and mechanical properties of the brazed SiO2 glass ceramic and 30Cr3 high-tensile steel joint[J]. Materials Science and Engineering A, 2008, 496(1–2):393–398.

Smeacetto F, Salvo M, Ferraris M, et al. Glass–ceramic seal to join Crofer 22 APU alloy to YSZ ceramic in planar SOFCs [J]. Journal of European Ceramic Society, 2008,28(1):61–68.

Guedesa APA, Vieira M, Viana F. The effect of brazing temperature on the titanium glass-ceramic bonding [J]. Journal of Materials Processing Technology, 1999(92-93):102–106.

Donald I.W. Preparation, properties and chemistry of glass- and glass-ceramic-to-metal seals and coatings[J]. Journal of Materiasl Science, 1993(28):2841–2886.

A. Pazo, E. Saiz, A. P. Tomsia. Silicate glass coatings on Ti-based implants [J]. Acta Materialia, 1998, 46(7):2551-2558.

Kuckert H, Born C, Wagner G, et al. Helium-tight sealing of glass with metal by ultrasonic welding[J]. Advanced Engineering Materials, 2001(3)3:903–905.

Khandan O, Stark D, Chang A, et al. Wafer-scale titanium anodic bonding for microfluidic applications[J]. Sens Actuators B Chem, 2014(205):244–248.

Harinarayana V., Shin Y.C. Experimental and numerical investigation on laser transmission welding of stainless steel 304 L and borosilicate glass[J]. International Journal of Advanced Manufacturing Technology, 2024(132):2661–2675.

Xu M., Chen, C., Shao J. et al. Effect of High-Temperature Oxidation on Laser Transmission Welding of High Borosilicate Glass and TC4 Titanium Alloy[J]. Journal of Materials Engineering and Performance, 2024(130):1-11.

Nguyen H., Lin CK., Tung PC. et al. Characterizations of laser transmission welding of glass and copper using nanosecond pulsed laser[J]. International Journal of Advanced Manufacturing Technology, 2024(130):2755–2770.

Ji Ch., Huang, Yj., Chen, X. et al. Direct microwelding of dissimilar glass and Kovar alloy without optical contact using femtosecond laser pulses[J]. Journal of Centre. South University, 2022(29):3422–3435.

Min Z., Yufei C., Changjun, C. et al. A new sealing technology for ultra-thin glass to aluminum alloy by laser transmission welding method[J]. International Journal of Advanced Manufacturing Technology, 2021(115):2017–2035.

Lipat’eva, T.O., Fedotov, et al. Precision Laser Welding of Silica Glass with Iron-Nickel Alloy[J]. Glass Ceram 77, 2021(77):435–437.

Chenyun Tian, Haodong Ren, Hong Shen .The connection of glass and metal with a large gap by combining laser soldering and ultrafast laser welding[J]. Journal of Manufacturing Processes, 2023(102):528-534.

Lei Li, Changjun Chen, Chunlei Li, et al. The influence of anodization on laser transmission welding between high borosilicate glass and TC4 titanium alloy [J]. Optics & Laser Technology, 2025(181):111590.

Peng HB, Sun ML, Yang KJ, et al. Effect of irradiation on hardness of borosilicate glass[J].journal of Non-crystalline Solids, 2016(443):143–147.

Li S, Hu K, Hui W, et al. Shear strength and interfacial characterization of borosilicate glass-to-metal seals[J]. Journal of Alloys& Compounds, 2020(827):154275.

Nishikawa S, Takahashi M. (2019) Effect of application of opposite polarity voltage on interface separation of anodically bonded kovar alloy–borosilicate glass joints[J]. Sensors Actuators A Physics, 2019(296):367–374.

Tsann-Shyi Chern, Hsien-Lung Tsai.Wetting and sealing of interface between 7056 Glass and Kovar alloy[J]. Materials Chemistry and Physics. 2007,104(2-3):472-478.

Seyed Sadegh Khayat Ardestani, Valiollah Dashtizad, Ali Kaflou. Experimental investigations on time, temperature and atmosphere influence on microstructure and mechanical properties of borosilicate glass to Kovar-alloy seals[J]. Materials Characterization, 2021(171):110805.

Bischof C, Possart W. Adhäsion: theoretische und experimentelle Grundlagen[M]. Berlin:Akademie-Verlag Berlin, 1983.




DOI: https://doi.org/10.33142/rams.v6i2.14583

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