Pyrolytic Boron Nitride (PBN) Ceramics for Sale

Pyrolytic Boron Nitride Ceramics Applications

PBN ceramic materials have high purity, chemical inertness, and excellent thermal conductivity, making PBN crucible an ideal container for elemental purification, crystal growth and semiconductor manufacturing, especially for the preparation of next-generation compound semiconductors such as GaAs, InP, etc.

At the same time, PBN products are also widely used in aviation, aerospace, electronics, chemical, special metallurgy, medical and other fields.

ACM Ceramic Product Video

Your PBN Ceramics Supplier

Advanced Ceramic Materials is a leading supplier of pyrolytic boron nitride ceramic products of the highest quality for a wide range of applications. We are happy to provide advice on materials, design, and application. Feel free to contact us with any questions about PBN or other ceramic materials that are not listed on the website.

FAQ

Q: What Is the Structure and Morphology of PBN?

A: Pyrolytic boron nitride (PBN) belongs to the hexagonal system and is a typical layered material. The inter-layer and inter-layer atomic spacing is quite different, the inter-layer atom spacing is 3.33, and the intra-layer atom spacing is 1.45. The structure of the PBN consists of alternating B and N atoms in the layer and along the C axis, respectively, and the stacking method is ababab???. It can be observed under a high power microscope that PBN exhibits stacking faults, resulting in an average layer spacing greater than the theoretical layer spacing. Since the PBN grows in the C-axis direction during the deposition process, it exhibits a high degree of layer orientation, and the preferred orientation direction is the C-axis.

Q: How Is PBN Produced?

A: PBN is produced using a chemical vapor deposition (CVD) process, where boron and nitrogen gases are reacted at high temperatures to produce a solid boron nitride layer on a substrate material. The layer can be deposited on a variety of substrates, including graphite, silicon, and metal.

Q: What Are the Different Types of PBN?

A: There are two main types of PBN: isotropic PBN (i-PBN) and anisotropic PBN (a-PBN). i-PBN has a uniform structure and properties in all directions, while a-PBN has an oriented structure that results in anisotropic properties. a-PBN is typically used in applications where high thermal conductivity in one direction is needed, such as in heat sinks or thermal management components. Q: What is the thermal stability of PBN?

Q: How Does PBN Compare to Other Ceramics in Terms of Properties?

A: PBN has several advantages over other ceramics, including high thermal conductivity, low thermal expansion, high temperature stability, and good electrical insulation properties. It is also relatively inert and can withstand exposure to a wide range of chemicals and corrosive environments.

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