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The microstructure and mechanical properties of unidirectionally solidified Al−Si alloys

Yilmaz, F. ; Elliott, R.

Journal of Materials Science, 1989, Vol.24(6), pp.2065-2070 [Tạp chí có phản biện]

ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/BF02385422

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  • Nhan đề:
    The microstructure and mechanical properties of unidirectionally solidified Al−Si alloys
  • Tác giả: Yilmaz, F. ; Elliott, R.
  • Chủ đề: Specialty Metals Industry -- Analysis ; Specialty Metals Industry -- Mechanical Properties
  • Là 1 phần của: Journal of Materials Science, 1989, Vol.24(6), pp.2065-2070
  • Mô tả: Hypereutectic Al−Si alloys with minor additions of Sr were directionally solidified with a temperature gradient of 125°C cm −1 in the liquid. Silicon in the range 14–17 wt%, Sr in the range 0.0–0.5 wt% and specimen traction velocities between 1 and 1500 μm sec −1 were used. The relationship between hardness and traction velocity and spacing in eutectic silicon morphologies is defined and shown to be of the same form as that for yield stress. The possibility of using hardness measurements to be of the same form as that for yield stress. The possibility of using hardness measurements to indicate mechanical properties is discussed. The complex regular silicon structure makes a significant contribution to the hardness of hypereutectic alloys. This makes the relationship between hardness and traction velocity more complex adding difficulties to the use of hardness to measure mechanical properties.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/BF02385422

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