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Aluminum nitride ceramic, renowned for its high strength, hardness, Wear Resistance, and excellent high-temperature and corrosion resistance, is widely used as a catalyst and refractory material in precision casting processes. The unique properties of this ceramic impose higher requirements on sintering equipment. In traditional sintering processes, aluminum nitride ceramic is typically sintered using high-temperature resistance furnaces, but this method suffers from complex procedures, low efficiency, and high costs. To meet the sintering needs of aluminum nitride ceramic, this paper proposes a design for a high-temperature sintering equipment and validates it. The design features a detachable furnace door structure, allowing size adjustment according to actual needs, and can also achieve automated control based on user requirements.

Presentation:

In the field of high-end Structural Ceramics, a ubiquitous challenge is the microscopic defects—voids—that are difficult to avoid within the material. These tiny pores, akin to weak points in a sturdy fortress, act as stress concentrators. Under load, they rapidly propagate into cracks, leading to premature failure of the component. For instance, an alumina ceramic component with a density of merely 3.75 g/cm³ may exhibit a flexural strength over 30% lower than a component at its theoretical density (3.965 g/cm³). When serving as wear-resistant ceramic liners or high-temperature mechanical sealing rings, its service life is significantly compromised, potentially even causing malfunctions in entire mechanical systems. Therefore, how to maximize the elimination of voids and elevate density to levels approaching the theoretical value through refined processing techniques has become a persistent goal for materials engineers.

1. Experimental Procedure

This experiment used high-purity alumina powder (purity 99.9%, average particle size 1.2μm, produced by a new materials company in Shandong) as the raw material to prepare samples via the traditional dry pressing - pressureless sintering process. The specific steps are as follows:

Shanghai Creative Advanced Materials Co.,LTD.Has Successfully Expanded Internationally, Demonstrating the Strength of China's Advanced Materials

Located at No. 1288 Huancheng North Road, Fengxian District, Shanghai, our company has opened the door to the international market with its excellent range of ceramic products, establishing itself as a rising force in the global expansion of China's advanced ceramic materials.

In today's high-end manufacturing sector, advanced ceramic materials have become indispensable key components in industries such as aerospace, semiconductors, medical, and defense, thanks to their high hardness, high-temperature resistance, wear resistance, and excellent chemical stability. However, these exceptional properties are a double-edged sword, making ceramics extremely difficult to process. Transforming sintered ceramic blanks into precision components that meet stringent tolerances and surface finish requirements represents the ultimate test of a manufacturer's technical capabilities. This article delves into the processing techniques, challenges, and cutting-edge solutions for advanced ceramic products.

A type of advanced ceramic material possessing exceptional properties such as high strength, high wear resistance, high-temperature resistance, and corrosion resistance is transitioning from the laboratory to industrialization, offering potential for transformation across numerous industrial sectors.

Recently, the technical renovation project for an annual production line of 600 tons of pressureless sintered silicon carbide ceramics, invested in and constructed by Zhejiang Jingtao Technology Co., Ltd., has smoothly entered the trial production phase. This progress marks a significant breakthrough in the mass production of pressureless sintered silicon carbide ceramics.

Porous silicon carbide (SiC) ceramics, as a new type of ceramic material, have attracted widespread attention due to their unique physical and chemical properties. Their pore structure imparts characteristics such as low density and high specific surface area, while they also inherit the advantages of SiC, including high hardness, corrosion resistance, high-temperature resistance, and high thermal conductivity. These properties make porous SiC ceramics promising for potential applications in various fields.

In the traditional imagination, ceramics are the product of skillful hands on a potter's wheel, an art tempered in the kiln's fire. However, on the stage of modern industry, a more precise and robust manufacturing technology plays an indispensable role—this is ceramic machining. It is no longer the romantic narrative of clay and flame, but a precise dance of digital commands and cutting tools, pushing this ancient material to the forefront of high-tech applications.

In the chain of modern industry, precision ceramic components play the role of the "silent giants." They might be hidden within the vibration modules of smartphones, soar in the thermal barrier coatings of aircraft engines, or operate precisely at the core of medical implants. However, when these meticulously crafted "industrial porcelain" pieces finally come off the production line, their final journey to the customer—dispatch—becomes the ultimate test of a factory's comprehensive management capabilities.

Six Years Together, Grateful to Have You: Shanghai Creative Advanced Materials Co.,LTD. Successfully Holds Its 6th Anniversary Celebration & Team Building Event

Shanghai Creative Advanced Materials Co.,LTD– Amidst the joyful atmosphere of Fengxian National Forest Park, Shanghai Rongchuang Kaixun Special Materials Co., Ltd. celebrated its meaningful 6th Anniversary on October 31, 2025. Under the theme "Grateful for Six Years, Co-creating the Future," all employees gathered for a series of meticulously planned team-building activities, reflecting on the past six years of dedicated journey, strengthening team cohesion, and envisioning a new blueprint for the future.