BS ISO 9042-2024 钢材-用点网格统计估算某一组成相体积分数的点计数法

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乔大爷开音响 2025-07-01 9 2.35MB 16 页 10星币
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BSI Standards Publication
Steels — Point counting method for
statistically estimating the volume fraction
of a constituent with a point grid
BS ISO 9042:2024
Steels — Point counting method for
statistically estimating the volume
fraction of a constituent with a
point grid
Aciers — Méthode d'estimation statistique de la fraction
volumique d'un constituant à l'aide de grilles de points
International
Standard
ISO 9042
Second edition
2024-04
Reference number
ISO 9042:2024(en) © ISO 2024
National foreword
This British Standard is the UK implementation of ISO 9042:2024.
The UK participation in its preparation was entrusted to Technical
Committee ISE/101/7, Methods of physical and metallographic testing.
A list of organizations represented on this committee can be obtained on
request to its committee manager.
Contractual and legal considerations
This publication has been prepared in good faith, however no
representation, warranty, assurance or undertaking (express or
implied) is or will be made, and no responsibility or liability is or will be
accepted by BSI in relation to the adequacy, accuracy, completeness or
reasonableness of this publication. All and any such responsibility and
liability is expressly disclaimed to the full extent permitted by the law.
This publication is provided as is, and is to be used at the
recipient’s own risk.
The recipient is advised to consider seeking professional guidance with
respect to its use of this publication.
This publication is not intended to constitute a contract. Users are
responsible for its correct application.
© The British Standards Institution 2024
Published by BSI Standards Limited 2024
ISBN 978 0 539 23649 1
ICS 77.040.99
Compliance with a British Standard cannot confer immunity from
legal obligations.
This British Standard was published under the authority of the
Standards Policy and Strategy Committee on 30 April 2024.
Amendments/corrigenda issued since publication
Date Text affected
BRITISH STANDARD
BS ISO 9042:2024
Steels — Point counting method for
statistically estimating the volume
fraction of a constituent with a
point grid
Aciers — Méthode d'estimation statistique de la fraction
volumique d'un constituant à l'aide de grilles de points
International
Standard
ISO 9042
Second edition
2024-04
Reference number
ISO 9042:2024(en) © ISO 2024
BS ISO 9042:2024

标签： #ISO #钢

摘要：

本页详细解读了最新国际标准BS ISO 9042-2024《钢材-用点网格统计估算某一组成相体积分数的点计数法》。该标准为冶金、材料科学及钢铁行业从业人员提供了一种基于点网格统计的无偏体积分数测定方法，适用于钢材显微组织中特定组成相（如马氏体、铁素体、珠光体等）的比例分析。通过标准化的点阵计数与统计估算流程，能够显著提高测量结果的重复性与准确性，替代传统目测对比法。内容涵盖标准适用范围、取样要求、点网格设计原则、观察面准备、计数规则及体积分数计算公式，并提供了数据精度的评估指导。适用于实验室质量

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作者：乔大爷开音响 分类：国际标准 价格：10星币 属性：16 页 大小：2.35MB 格式：PDF 时间：2025-07-01

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