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//ISO 4499-1:2020

ISO 4499-1:2020

Name: ISO 4499-1:2020 — Hardmetals — Metallographic determination of microstructure — Part 1: Photomicrographs and description
SKU: ISO 4499-1:2020
Price: 25 EUR
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Hardmetals — Metallographic determination of microstructure — Part 1: Photomicrographs and description

Название (английский):

ISO 4499-1:2020

Hardmetals — Metallographic determination of microstructure — Part 1: Photomicrographs and description

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 9
Дата публикации:: 3 июля 2020 г.
Издание:: ISO IS 4499 edition 2 version 1
ICS:: 77.040.99

Тип поставки:

Full version25 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

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Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

This document specifies the methods of metallographic determination of the microstructure of hardmetals using photomicrographs.

Abstract

Overview

ISO 4499-1:2020 - Hardmetals - Metallographic determination of microstructure - Part 1: Photomicrographs and description - specifies standardized methods for preparing, imaging and describing the microstructure of hardmetals (cemented carbides) using photomicrographs. The standard defines required apparatus, sample preparation steps, etching, imaging magnifications and reporting elements to ensure reproducible, comparable metallographic records of hardmetal microstructure.

Key Topics and Requirements

Scope and purpose: Procedures for metallographic determination of hardmetal microstructure by photomicrography.
Apparatus:
- Metallographic microscope (observations up to 1 500×).
- Scanning electron microscope (SEM) for magnifications above 1 500×.
- Electron Back Scatter Diffraction (EBSD) is listed as an apparatus option in this edition.
- Equipment for sectioning, mounting and polishing testpieces.
Sample preparation: Detailed stages and good-practice guidance covering:
- Sectioning (diamond cutting, wire-cutting, electro-discharge considerations).
- Mounting (thermo-setting and cold-setting resins).
- Grinding (diamond grinding discs, staged removal to eliminate subsurface damage).
- Lapping (optional intermediate step to produce a plane surface).
- Polishing (progressive diamond abrasives: e.g., 15 µm → 1 µm, lubricants/coolants and debris control).
- Cleaning between stages to avoid cross-contamination.
Etching: General etching methods to reveal true microstructure; warnings about toxic or hazardous chemicals and need for trained personnel.
Reporting: Minimum information to include in the test report (sample identification, preparation route, magnifications used, etchants, and photomicrographs).
Terminology: Definitions of common phases in hardmetals (α-phase WC, β binder phase, γ cubic carbides).

Applications and Users

ISO 4499-1:2020 is relevant for:

Quality control and acceptance testing of cemented carbides/hardmetals in manufacturing.
Metallography laboratories conducting R&D, failure analysis and microstructural certification.
Materials engineers, powder metallurgy (PM) producers, toolmakers and surface/coating developers requiring standardized photomicrographs for comparison and documentation.
Laboratories preparing specimens for SEM or EBSD-based analyses.

Practical benefits include consistent microstructure documentation, reliable comparison between labs, and improved traceability for production and research.

Related Standards

ISO 4499 series (other parts covering additional microstructural measurements).
ISO 4499-2 - Hardmetals - Metallographic determination of microstructure - Part 2: Measurement of WC grain size (normative reference).
The document also references industry preparation guidance such as ASTM B665 and national good-practice guides.

Keywords: ISO 4499-1:2020, hardmetals, metallographic determination, microstructure, photomicrographs, polishing, etching, EBSD, WC grain size.

Технические детали

Технический комитет: ISO/TC 119/SC 4 - Sampling and testing methods for hardmetals
SKU: ISO 4499-1:2020

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BS EN ISO 4499-1:2020

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Hardmetals. Metallographic determination of microstructure. Photomicrographs and description.

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PDF

ISO 4499-1:2020

Abstract

Overview

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Key Topics and Requirements

Applications and Users

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