Au与Au合金的微合金化(英文)

Microalloying of Gold and Gold Alloys

讨论和总结了Au与Au合金的微合金化。在Au合金中,微合金化元素的主要作用是强化、调整电阻率、细化晶粒尺寸和提高再结晶温度等。几乎在所有的应用中,相对于Au具有大的熔点差或原子尺寸差的合金元素,诸如碱和碱土金属、稀土金属、高熔点金属、类金属和某些简单金属被选择作为微合金化元素。介绍了微合金化Au合金的某些应用。许多微合金化元素对Au和Au合金性能的影响常常是多重和协同的。总结了对于不同应用的Au和Au合金的微合金化元素的某些选择原则。

Microalloying to pure gold and gold alloys was discussed and summerized. The main effects of microalloying elements in gold alloys are those for strengthening, for regulating electrical resistance, for refining grain -size and for increasing recrystallization temperature. In nearly all applications, the elements with large difference of melting point or atomic size to gold, and those with low solid solubility in gold, such as alkali - and alkali - earth metals, rare earth metals, high melting point metals, metalloids and some simple metals are selected as microalloying elements. Some examples of microalloyed gold alloys are introduced. The effects of many microalloying elements on the properties of gold and gold alloys are often multi- ple - coincidence. Some selection principles of microalloying elements for gold and gold alloys with various applications are summarized.