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Chen, Rui-Bin; Shiue, Ren-Kae

doi:10.1023/a:1011620300537

Cited by 10 publications

(3 citation statements)

References 8 publications

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“…Alloying influences on the increasing wetting characteristics of base and filler metal. Therefore wetting should be depended upon timing and temperature [5]. At the beginning of solidification, with reducing the temperature, the cu rich phase nucleates produces upon cooling.…”

Section: Discussionmentioning

confidence: 99%

Investigation on Wettability and Metallurgical and Mechanical Properties of Cemented Carbide and Steel Brazed Joint

Mousavi

Sherafati

Hoseinion

2012

AMR

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In this study the wettability, microstructure and mechanical properties of joining between cemented carbide and CK35 steel which brazed with two filler metals, L-Ag40Cd and L-Ag34Cd, were investigated. Wettability test shows that with increase of brazing time, the contact angle decreases and the best situation was resulted in the 20 minute brazing. Microscopic investigation of the brazed area with both filler metal shows that there is a copper enriched primary phase and eutectic microstructure in the silver enriched matrix which composed of copper enriched particles. The amount and the dispersion of precipitates are depended upon type of filler metal and brazing temperature. The results show that brazing with L-Ag34Cd filler metal at 800 °C exhibit superior shear strength in the level of 108 MPa.

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Section: Discussionmentioning

confidence: 99%

Investigation on Wettability and Metallurgical and Mechanical Properties of Cemented Carbide and Steel Brazed Joint

Mousavi

Sherafati

Hoseinion

2012

AMR

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“…Considering the different chemical compositions and physical properties between MnCu alloys and SS, brazing is a suitable choice to join these two dissimilar metals. 6,7) Choosing the proper filler metal is one of the most important factors to obtain good brazed joint. Cu-based filler metals have good mechanical and wetting properties by adding alloying elements like Mn, Ag, Ni, Zn and Sn, 8,9) and have been widely used to join copper alloys and stainless steels.…”

Section: Introductionmentioning

confidence: 99%

Brazing of Mn–Cu Alloy and 430 Stainless Steel with Cu–34Mn–6Ni–10Sn Filler Metal

Yang

Zhang

et al. 2019

Mater. Trans.

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In this paper, brazing of MnCu damping alloy and 430 stainless steel (SS) using Cu34Mn6Ni10Sn filler metal was carried out at different temperatures (850°C to 880°C) for different times (5 min to 12 min). The microstructure and mechanical properties of brazed joints were investigated. The results show that a (Fe, Mn) solid solution diffusion layer was formed at the interface between SS and brazing seam. The brazing seam was composed of a (Cu, Mn) solid solution phase and a (Cu, Mn, Sn) solid solution phase. Besides, the needle-like MnCrCuFe compounds were found to distribute near the interface of each substrate and brazing seam. The grain boundary penetration of (Cu, Mn, Sn) solid solution phase led to the local melting of MnCu alloy. The joint brazed at 870°C for 10 min possessed the highest shear strength of about 212 MPa, the fracture occurred at the middle of brazing seam.

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“…Microwave ceramics must meet three aspects [1]: (1) low dielectric loss, i.e. high Q; (2) higher permittivity (> 150); (3) near zero temperature coefficient of resonate frequency [2]. High quality microwave materials with relatively low permittivity and high Q value are required in applications of the radar antenna [3].…”

mentioning

confidence: 99%

Effects of Co2O3 on the Dielectric Properties of Mg2TiO4- Mg2SiO4 Microwave Ceramics

Sun

2007

KEM

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Effect of Co2O3 on microstructure and dielectric properties of Mg2TiO4-Mg2SiO4 microwave ceramic with low permittivity and high Q value was studied. Co2O3 acts and results in decreasing of the sintering temperature and densification of the ceramic material. As a result, the dielectric loss decreases and quality factor Q increases. Mg2+ is replaced partially with Co2+ in Mg2TiO4 to form (Mg,Co)2TiO4. It is demonstrated that the system with 2.4 wt% Co2O3 possesses better dielectric properties.

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Untitled

Cited by 10 publications

References 8 publications

Investigation on Wettability and Metallurgical and Mechanical Properties of Cemented Carbide and Steel Brazed Joint

Investigation on Wettability and Metallurgical and Mechanical Properties of Cemented Carbide and Steel Brazed Joint

Brazing of Mn–Cu Alloy and 430 Stainless Steel with Cu–34Mn–6Ni–10Sn Filler Metal

Effects of Co<sub>2</sub>O<sub>3</sub> on the Dielectric Properties of Mg<sub>2</sub>TiO<sub>4</sub>- Mg<sub>2</sub>SiO<sub>4</sub> Microwave Ceramics

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