此外，热挤压变形导致晶须沿挤压方向排列，提高了材料的力学性能。
The hot extrusion resulted in that the distribution of the whiskers was along the hot extrusion direction, and the mechanical properties of the materials were improved.
在常规的铝及铝合金热挤压过程中，金属的温度和变形是很不均匀的，这将导致产品的尺寸、形状、组织和性能等质量方面的缺陷。
During conventional hot extrusion processes, temperature and distortion of the billets change unevenly, so the dimension, shape, organization and capability of the profile will be deterioration.
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