Tungsten-nickel-iron alloy plays a core role in collimators of radiotherapy equipment, and its performance directly affects the accuracy and safety of radiation therapy. Radiotherapy equipment kills cancer cells through high-energy rays (such as X-rays, γ-rays), and the role of the collimator is to accurately limit the irradiation range of the rays, ensuring that the rays only act on the tumor target area, avoiding unnecessary damage to surrounding healthy tissues. Tungsten-nickel-iron alloy has extremely strong ability to absorb and attenuate rays due to its high density and high atomic number, and can effectively block the scattering and leakage of rays, making it an ideal material for manufacturing collimators.
In terms of structural design, the collimator of radiotherapy equipment is usually composed of multiple movable tungsten-nickel-iron alloy leaves. These leaves can be precisely adjusted according to the shape and size of the tumor to form a radiation field highly matching the contour of the tumor. The high strength and good processability of the alloy ensure the dimensional accuracy and movement flexibility of the leaves, making the adjustment process fast and precise, and meeting the individualized treatment needs of different patients. At the same time, the alloy has high performance stability under long-term radiation exposure, and is not easy to have structural deformation or performance degradation due to radiation damage, ensuring the long-term reliable operation of the collimator.
In addition, the high temperature resistance of tungsten-nickel-iron alloy also adapts to the local high temperature environment that may be generated during the operation of radiotherapy equipment, avoiding damage to collimator components due to temperature rise. Its excellent comprehensive performance enables radiotherapy equipment to improve the treatment effect while minimizing the risk of complications, providing an important guarantee for the treatment of cancer patients.
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