Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM B276-05
Năm ban hành 2005
Publication date
Tình trạng
W - Hết hiệu lực
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Tên tiếng Anh
Title in English Standard Test Method for Apparent Porosity in Cemented Carbides
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Chỉ số phân loại Quốc tế (ICS)
By field
77.160 - Luyện kim bột
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Số trang
Page 3
Giá:
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Phạm vi áp dụng
Scope of standard 1.1 This test method specifies procedures for the metallographic determination of apparent porosity in cemented carbides. Note 1 The term "apparent porosity" is construed to mean all microstructures observed on a properly prepared, unetched surface, including structures resulting from uncombined carbon, non-metallic inclusions, etc., as well as true, inherent porosity.This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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