Tungsten‑rhenium (W-Re) alloys are extensively used in medical devices, electronics, industrial equipment, aerospace, and nuclear energy sectors due to their low ductile-to-brittle transition temperature (DBTT), excellent high-temperature creep resistance, and superior properties related to recrystallization, ablation, and irradiation at elevated temperatures. However, with the advancement of technologies in these critical fields, the performance demands on W-Re alloys are continually increasing. As a result, optimizing the fabrication processes of W-Re alloys to enhance their performance under ultra-high temperature conditions has become essential. This review provides a detailed overview of the ultra-high temperature applications of W-Re alloys, the effects of Re alloying on their performance, various strengthening methods and mechanisms, and fabrication techniques. By analyzing the strengthening mechanisms, we identify that advancements in powder preparation, bulk densification, and deformation processing are key to improving the stable performance of W-Re alloys under extreme temperatures. Additionally, we address several challenges related to the fabrication methods and propose solutions. We hope that this comprehensive review will support researchers in developing W-Re alloys with enhanced performance while addressing the production and engineering challenges involved.

中文翻译：

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耐超高温钨铼合金的制备及其性能


钨铼 （W-Re） 合金因其低延性到脆性转变温度 （DBTT）、优异的高温抗蠕变性以及与高温下的再结晶、烧蚀和辐照相关的优异性能而广泛用于医疗设备、电子、工业设备、航空航天和核能领域。然而，随着这些关键领域技术的进步，对 W-Re 合金的性能要求不断提高。因此，优化 W-Re 合金的制造工艺以提高其在超高温条件下的性能变得至关重要。本文详细概述了 W-Re 合金的超高温应用、Re 合金化对其性能的影响、各种强化方法和机制以及制造技术。通过分析强化机制，我们确定粉末制备、体致密化和变形加工的进步是提高 W-Re 合金在极端温度下稳定性能的关键。此外，我们还解决了与制造方法相关的几个挑战并提出解决方案。我们希望这项全面的综述将支持研究人员开发具有更高性能的 W-Re 合金，同时解决所涉及的生产和工程挑战。