Effect of sintering temperatures on properties of BaO–B2O3–SiO2–Al2O3 glass/silica composites for CBGA package

Li, Bo; Long, Quanyin; Duan, Dinan

doi:10.1007/s10854-015-4012-1

Cited by 16 publications

(3 citation statements)

References 17 publications

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“…Figure 5 illustrates the dielectric constant (ε r ) of the samples as a function of B 2 O 3 addition. As we know, the dielectric constant were mainly related to the apparent density, phase composition and microstructure [21][22]. As shown in Fig.…”

Section: Resultsmentioning

confidence: 96%

Effect of B2O3 on the microstructure and microwave dielectric properties of Ba(Mg1/3Nb2/3)O3 ceramics

Peng

Yao

Zeng

et al. 2021

J Mater Sci: Mater Electron

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The in uences of different doping contents of additive B 2 O 3 on the sintering behavior, microstructure and microwave properties of Ba(Mg 1/3 Nb 2/3 )O 3 (BMN) microwave ceramics were studied. The main phase in the sintered ceramics was crystallized as Ba(Mg 1/3 Nb 2/3 )O 3 (BMN). Ba 2 B 2 O 5 as secondary phase was observed with x ≥ 10. Scanning electron microscopy (SEM) analysis revealed that the photograph of optimally nonstoichiometric ceramics sintered at 900 ℃ for 5 h displayed a dense microstructure. The dielectric properties and microstructures of BMN ceramics were very sensitive to the nonstoichiometry.The addition of B 2 O 3 had a positive in uence on the Q×f value, for example the sample with x = 7 showed the highest Q×f value of 89800 GHz. Finally, excellent microwave dielectric properties (ε r = 31.6, Q×f = 89,800 GHz and τ f = 3.6 ppm/℃) were achieved for the sample with x = 7 sintered at 900 ℃ for 5 h.

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Section: Resultsmentioning

confidence: 96%

Effect of B2O3 on the microstructure and microwave dielectric properties of Ba(Mg1/3Nb2/3)O3 ceramics

Peng

Yao

Zeng

et al. 2021

J Mater Sci: Mater Electron

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“…To investigate the effect of ZB/APP on ceramifiable properties, the crystallinity was estimated via the whole pattern fitting method, 40 and the results are presented in Table 7. The crystallinity of the control group maintained 100 wt% at different temperatures, because there was no glassy phase formed at elevated temperatures in the PE/WF system.…”

Section: Resultsmentioning

confidence: 99%

Effect of ZB/APP on ceramifying properties of ceramifiable polyethylene composites at high temperatures

Shen,

Sun,

Gao

et al. 2023

Int J Applied Ceramic Tech

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Zinc borate/ammonium polyphosphate (ZB/APP) was added to polyethylene/wollastonite fiber (PE/WF) composite to further improve ceramifiable properties. The effect of ZB/APP on the mechanical properties, shape stability, and self‐supporting properties of residues was investigated. The residue formed at 1000°C had a flexural strength of 30.5 MPa for the PE composite with addition of ZB/APP, which showed a significant improvement compared to the corresponding values of PE/WF/ZB and PE/WF/APP. In terms of shape stability, the PE/WF/ZB/APP system exhibited better dimensional stability and maintained its original shape after heat treatment. The bending angles of PE/WF/ZB/APP composite after being fired at 1000°C were less than 15°. The ceramifying process was studied by XRD, FTIR, SEM, and TG. During the heat treatment process, a phosphate glassy phase containing PO43− groups was formed by the reaction between ZB and APP. And then glassy phase reacted with WF to generate hydroxyapatite (Ca5(PO4)3OH). The reaction between ZB and APP inhibited eutectic reactions between each other as well as with WF, thereby stabilizing the crystallinity of the residue at high temperature. Moreover, the viscosity of the phosphate glassy phase produced by their reaction was higher than that of the APP melt, which improved both the mechanical and self‐supporting properties of the residue.

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“…With the addition of frits, the mechanical strength Furthermore, based on a careful analysis of Figure 8, it could be concluded that an increase in the frit content can effectively reduce the ceramization temperature. The lowtemperature ceramization process is primarily determined by the sintering and bonding of the frits, and an increase in the frit content would enhance the sintering effect, which in turn would result in a lower ceramization temperature [24][25][26][27].…”

Section: Mechanical Performance Tests Of Sr/frit Compositesmentioning

confidence: 99%

Research on SR/Frit Composites: A Novel Low-Temperature Ceramifiable Expandable Flame-Retardant Material

Zhu

2022

Materials

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Silicone rubber (SR) exhibits unique flame-retardant and fireproof properties and can be ceramized at high temperatures to cover the surface of an object that needs fire protection. In this paper, the influence of low-melting-point frit content on the expandable performance of SR has been investigated, and a decrease in the ceramization temperature with an increase in the frit content has been observed. The sample began to expand at 850 °C, and an expansion of 157% and compressive strength of 1.99 MPa were attained at 950 °C. The increased frit content resulted in a larger liquid phase, which covered the surface of the matrix owing to surface tension. This made the escape of small-molecule gaseous substances generated by decomposition difficult: this resulted in the expansion of the SR matrix. The relationships between composite compositions and expansibility as well as the degree of ceramization were also explored through performance tests. It was found that the formation of eutectic substances between frits and the matrix resulted in a decrease in the temperature of ceramization, which in turn contributed to the formation of highly intumescent ceramifiable SR.

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Effect of sintering temperatures on properties of BaO–B2O3–SiO2–Al2O3 glass/silica composites for CBGA package

Cited by 16 publications

References 17 publications

Effect of B2O3 on the microstructure and microwave dielectric properties of Ba(Mg1/3Nb2/3)O3 ceramics

Effect of B2O3 on the microstructure and microwave dielectric properties of Ba(Mg1/3Nb2/3)O3 ceramics

Effect of ZB/APP on ceramifying properties of ceramifiable polyethylene composites at high temperatures

Research on SR/Frit Composites: A Novel Low-Temperature Ceramifiable Expandable Flame-Retardant Material

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