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hYPERTREMPE

Objective: improve structural homogeneity, corrosion resistance and magnetic properties

Hyperquenching is a heat treatment regularly used to soften austenitic stainless steels.

Our process

Hyperquenching is mainly carried out in vacuum furnaces to avoid oxidation and contamination.

Heating

heating to a temperature of around 950/1050°C, depending on the chemical composition of the steel. The temperature is held for a few minutes, depending on the thickness of the parts.

Cooling

Rapid cooling freezes the austenitic structure at room temperature. The cooling rate must be sufficient to avoid carbide precipitation and to enhance corrosion resistance, mechanical strength and mechanical properties.

Softening

This treatment softens and recrystallizes areas hardened by machining or shaping.

    Features and benefits

    Corrosion resistance

    Hyperquenching maintains the corrosion resistance of austenitic stainless steels.

    Homogeneity

    Hyperquenching improves the homogeneity of the steel's structure by recrystallizing areas stressed by shaping.

    magnetic properties

    After machining, some parts can have their magnetic properties altered. Hyperquenching restores them.

    For study and order

    Information to be communicated :

    - Drawing of the part (possibly including: area to be protected).
    - Number of parts per shipment.
    - Type of steel: standard designation
    - Previous treatments (pre-treated, quenched and tempered, stabilized, annealed).

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    Our various documentations

    Heat treatment white paper

    Group brochure

    See all our documentation

    Our FAQs

    What is vacuum deposition?

    Vacuum deposition is a surface treatment used to deposit a material or alloy on a mechanical part.

    The use of vacuum technology ensures a perfectly clean, non-polluting process.

    It is not subject to REACH legislation.

    What are the advantages of PVD technology?

    This process greatly increases resistance to wear, abrasion, friction and corrosion. As a result, component life is greatly extended.

    Standard thicknesses are of the order of 3µm and deposition is carried out on finished parts.

    What's the difference between PVD and PACVD?

    PVD is physical vapor deposition. The element to be deposited is obtained by evaporation or sputtering via a physical process. PACVD is plasma-assisted chemical vapor deposition. The element to be deposited is obtained from chemical reactions. Plasma enables this chemical reaction to take place at lower temperatures.

    What are the industrial applications of vacuum deposition?

    Vacuum deposits are classified into several categories: anti-wear, friction, decorative and biocompatibility. The applications are therefore very varied: automotive components, aerospace, tooling, cutting tools, medical devices, decorative parts...

    How do I choose the right deposit method?

    The deposition method depends above all on the nature of the coating to be deposited and the substrate.

    If the substrate cannot be heated to high temperature, the deposition must be carried out using low-temperature technology.

    If the coating to be deposited consists of a solid element (metal or graphite target), a physical process such as PVD is used. If the coating consists of a gas or liquid, a chemical process such as CVD or PACVD is used.

    What is the purpose of case-hardening? 

    Incorporate carbon below the surface of the steel part to improve fatigue and wear resistance on the surface, while maintaining good core mechanical properties.

    See all FAQs

    Do you have a question or a need?

    Our dedicated team will get back to you.

    Contact us

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