抗形变钨板包括0.0045wt％-0.007wt％的钾元素，0.55wt％-1.45wt％的金属氧化物以及余量为钨和不可避免的杂质，制备方法包括配料、粉末压制、高温烧结、热轧制、高温热处理等步骤，采用掺钾钨粉及特定金属氧化物为原料，经过一系列工艺调控制备出一种抗形变钨板。该抗形变钨板具有更佳的高温抗变形性能，更长的使用寿命，可应用于现行钨板应用的领域。

Anti-deformation tungsten plate includes 0.0045wt%-0.007wt% potassium element, 0.55wt%-1.45wt% metal oxide and the balance is tungsten and unavoidable impurities, the preparation method includes ingredients, powder pressing, high temperature sintering, hot rolling, high temperature heat treatment and other steps, using potassium-doped tungsten powder and specific metal oxide as raw materials, after a series of process regulation to prepare a deformation-resistant tungsten plate. This anti-deformation tungsten plate has better high-temperature deformation resistance and longer service life, and can be applied to the existing tungsten plate applications.