Zirconium

Material information

The Guardian of the Nuclear Age

Delivering critical corrosion resistance and nuclear safety with Less Common Metals.

Zirconium is the unsung hero of the atomic energy sector. Exceptionally resistant to corrosion and uniquely transparent to neutrons, it’s the primary material standing between nuclear fuel and the environment. Without Zirconium, modern nuclear power generation would simply not be possible.

As a specialist UK manufacturer of high-purity metals, we at Less Common Metals (LCM) understand the rigorous standards required for nuclear and industrial applications. Based in Ellesmere Port, UK, we supply the high-grade Zirconium Plate and Sponge that industries rely on for safety, longevity and performance.

Technical Details

CompositionZirconium Plate 99.2%/ Zirconium Sponge 99.5%
Common metallic impuritiesTrace metals basis
Physical DescriptionSilver grey metallic. Shot blasted plate-Maximum size 300mm x 150mm x 6mm/Granules-Size 0.8 – 35mm
AnalyticsICP-OES
Certificate of analysisAvailable upon request
PackagingPacked in sealed polythene bags and supplied in securely sealed metal drums, resistant to the impregnation of water

What is Zirconium?

Zirconium is a lustrous, grey-white, strong transition metal that closely resembles Hafnium (Hf) and, to a lesser extent, Titanium (Ti). It is highly resistant to corrosion by alkalis, acids, saltwater and other agents. Its defining characteristic for the energy sector, however, is its very low absorption cross-section for thermal neutrons. This means it lets neutrons pass through it without capturing them.

What is Zirconium used for?

Zirconium’s unique atomic properties make it indispensable for high-stakes environments:

  • Nuclear Power (Cladding & Fuel Assemblies): The nuclear power industry consumes nearly 90% of the Zirconium produced annually. It is used as cladding for nuclear fuel rods because it does not absorb the neutrons needed to sustain a chain reaction, yet it is strong enough to withstand the extreme heat and pressure of a reactor core.
  • Chemical Processing: Because Zirconium is almost immune to corrosion from strong acids and alkalis, it is the material of choice for high-performance pumps, valves and heat exchangers in chemical plants where stainless steel would fail.
  • Alloying Agent & Steel: Zirconium is a potent alloying agent. In steel, it acts as a scavenger for oxygen, nitrogen and sulfur. Thus, improving the grain structure and hardenability.
  • Medical & Surgical: Due to its biocompatibility (similar to Titanium) and non-toxic nature, Zirconium is used in surgical instruments and increasingly in biomedical implants.
  • Getters: In vacuum tubes and specialised electronics, Zirconium acts as a “getter.” A.K.A a material that chemically combines with and removes trace gases to maintain a perfect vacuum.

Zirconium Industry Insight

The Hafnium Challenge

In nature, Zirconium is always found with Hafnium. However, for nuclear applications, Hafnium is a contaminant because it absorbs neutrons aggressively. Basically, the exact opposite of Zirconium. Separating these two elements is difficult and expensive, but Nuclear Grade Zirconium must be essentially free of Hafnium (typically < 100 ppm). At LCM, we understand these critical distinctions and supply materials that meet the specific needs of both nuclear and non-nuclear industrial clients.

 

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