Reaction Layers of the Diffusion-Bonded Sialon and High-Chromium Steel

Firmanto, Hudiyo; Hussain, Patthi; Mamat, Othman

doi:10.3923/jas.2011.1809.1814

Cited by 9 publications

(12 citation statements)

References 7 publications

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“…Subsequently, less reactivity occurred in this type of joining that lead to reduction in thickness of the reaction layer. Therefore, it can be concluded that nitriding hindered the reactivity of AISI 420 with sialon and this was in agreement with the previous works [2,9]. Fig.…”

supporting

confidence: 92%

“…These reaction products are brittle and therefore potentially detrimental to the interface properties [4][5][6][7][8]. It was claimed that nitrogen pre-treatment on the steel reduced the percentage of silicides formation by hindering the sialon's decomposition [2,9]. In the past decade, not many studies on accessing sialon-martensitic stainless steel interaction have been carried out [10,11].…”

Section: Introductionmentioning

confidence: 99%

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Microstructure and Hardness of Diffusion Bonded Sialon-AISI 420 Martensitic Stainless Steel

Ibrahim

Hussain

Awang

2014

AMR

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The objective of this work was to examine the microstructure, interdiffusion of elements, and hardness of joining sialon to AISI 420 martensitic stainless steel using diffusion bonding process. These materials were diffusion bonded at 1200oC for one hour under 20 MPa in a vacuum of 2.1x10-6 Torr. The microstructural analyses showed that joining sialon to nitrided steel produced thinner reaction layers and no gap or crack were formed on the sample. Gaps were produced in joining sialon to as-received steel. From the elemental analyses, alumina and iron silicides were formed at the interface layer of sialon/as-received steel joint. Alumina and smaller amount of silicides were detected at the interface layer of sialon/nitrided steel joint. Diffusion layer and parent steel of the sialon/nitrided steel joining contained nitrides. The hardness test across the joints indicated that reaction layers possessed intermediate hardness between sialon and steel. The layers contributed to ductility of the joint that help to attain the joint.

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supporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Microstructure and Hardness of Diffusion Bonded Sialon-AISI 420 Martensitic Stainless Steel

Ibrahim

Hussain

Awang

2014

AMR

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“…8T m , ). Diffusion bonding can be achieved with inserted interlayer [87][88][89][90][91][92] or without interlayer [93,94]. The diffusion interlayer can reduce the cracking, relax the thermal residual stress and improve the joining strength.…”

Section: Ceramic-metal Diffusion Bondingmentioning

confidence: 99%

Current Issues and Problems in the Joining of Ceramic to Metal

Uday¹,

Ahmad-Fauzi²,

Noor³

et al. 2016

Joining Technologies

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Ceramics and metals are two of the oldest established classes of technologically useful materials. While metals dominate engineering applications, ceramics have some attractive properties compared to metals, which make them useful for specific applications. The properties of individual ceramics and metals can vary widely; however, the characteristics of most materials in the two classes differ significantly. Joints between a metal and ceramic are becoming increasingly important in the manufacturing of a wide variety of technological product. But joining ceramics to metallic materials often remains an unresolved or unsatisfactorily resolved problem. This chapter deals with problems of various studies in recent years on the joining between two materials.

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“…In contrast, duplex stainless steels have high durability, but they work at low temperature compared to SiAlON. Joining ceramic with steel is critical because of the vast number of applications that can be utilized in [20]. Other than that, the capacity of joining the SiAlON to duplex stainless steel might use the exceptional properties that existed in both materials.…”

Section: Figure 1 Schematics Of Joining In Brazing and Diffusion Bonding [13]mentioning

confidence: 99%

Investigation on the physical properties and diffusion layer phase transformation at the interface of Sialon-Duplex Stainless-Steel bonding

Rady

Hussain

Shaik

et al. 2021

JMES

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Joining SiALON to duplex stainless steel utilizes the properties of two materials which may provide an opportunity for distinctive applications. Ceramic is hard and operates at a high temperature but it is brittle whereas metal is tough but it can work at a low temperature. The benefits of the best properties of both materials can be utilized by joining them. The objectives of the research work are to investigate the physical properties and the phase transformation at the interface and at the inter-diffusion layer in between the SiAlON and duplex stainless steel. The experiment incorporated nitriding, then diffusion bonding the duplex stainless steel using the hot press. Bonding was carried out at 1200°C for the holding times of 30 minutes and 1 hour. Metallography and micro analyses were conducted to achieve the above objectives. The study has demonstrated that 30 minutes joining time is sufficient to develop the thickness of the interface. However, 1 hour joining duration achieved cohesive and sound diffusion bonding of the SiAlON to duplex stainless steel. This is possible due to the formation of diffusion interlayer which accommodates the residual stress presence during cooling down process.

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Reaction Layers of the Diffusion-Bonded Sialon and High-Chromium Steel

Cited by 9 publications

References 7 publications

Microstructure and Hardness of Diffusion Bonded Sialon-AISI 420 Martensitic Stainless Steel

Microstructure and Hardness of Diffusion Bonded Sialon-AISI 420 Martensitic Stainless Steel

Current Issues and Problems in the Joining of Ceramic to Metal

Investigation on the physical properties and diffusion layer phase transformation at the interface of Sialon-Duplex Stainless-Steel bonding

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