Non-destructive testing of "steel" using diamond quantum sensors.
This is an introduction to non-destructive testing of steel using diamond quantum sensors.
Manufacturer: Kwan-tek (France) The French company Kwan-Tek is developing systems based on diamond NV center technology. Currently, we are advancing the development of non-destructive testing using NV centers. One application where this technology is considered effective is non-destructive testing of "steel." We will utilize the advantages of NV centers—"compact," "robust," and "high sensitivity"—to detect "grinding burns" and "martensite (a hard and brittle crystal structure)." We are broadly seeking partners for joint development. If you are interested, please feel free to reach out. 【Features of NV Centers】 - High sensitivity to magnetic, electric, temperature, and strain - Absolute sensors with high spatial resolution - Capable of accessing difficult locations through remote electronics and compact sensor heads - Suitable for harsh environments such as high temperatures and radiation environments
basic information
We will propose based on the customer's usage environment. 【Basic Configuration】 ○ Sensor Head ○ Control Unit
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Applications/Examples of results
**Case Study 1: Detection of Grinding Burn** ◆Problems Faced on Site◆ Grinding burn can occur during steel manufacturing. If not detected, it can lead to serious damage. However, such burns are difficult to detect with non-destructive testing. The currently mainstream inspection method relies on visual inspection after nital etching, which raises issues related to the environment, health, and traceability. Furthermore, detecting them at the final stage of the production line results in an inefficient manufacturing process. **Case Study 2: Defect Inspection of Hydrogen Equipment** ◆Prevention of Hydrogen Embrittlement◆ Our high-resolution quantum magnetic sensors identify tiny ferrite regions (ferromagnetic and prone to rust) in stainless steel, contributing to the safety of hydrogen equipment. Hydrogen embrittlement occurs when hydrogen diffuses into the metal, leading to reduced fatigue strength and the formation of cracks, posing serious problems for hydrogen storage. Detecting the ferrite phase is essential to prevent damage. **Case Study 3: Defect Inspection of Nuclear-Related Equipment** ◆Safer Operation of Nuclear Power Facilities◆ Kwan-tek's robust diamond sensors operate in high temperatures and high radiation areas, enabling efficient deployment in restricted zones.
