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AssigneeMesodyne Inc.
InventorsWalker Chan, Andrew Gilstrap, Cassidy Dreyfus, Aidan Theodore Gould
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The present disclosure generally relates to photonic crystals, for example, for thermophotovoltaic power generation, or other applications, and to systems and methods for bonding metals or other materials together. Certain aspects are generally drawn to tantalum or other refractory metals that are bonded to Inconel or another metal superalloy. The tantalum or other refractory metals may be used as a photonic crystal in certain instances, e.g., to produce emissions when heated. In other aspects, other materials can also be used. In some cases, there may be substantially no gaps present between the materials, which may facilitate heat transfer between the materials. In some embodiments, the materials can be forced to or bonded together by heating the materials such that one material is unable to expand without exerting a force on the other material. For example, in a structure having a substantially circular cross-section, a first, inner portion comprising Inconel or another metal superalloy may be heated to force it against a second, outer portion comprising tantalum or another refractory metal, for example, because the first portion may expand faster than the second portion. This may create an interface that is substantially free of gaps. Still other aspects are generally directed to methods of using such materials, devices or kits including such structures or materials, or the like.
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Dependencies are inferred from the claim text.