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GB/T 22750.2-2024Implants for surgery - Ceramic materials - Part 2: Composite materials based on a high purity alumina matrix with zirconia reinforcement (English PDF)

外科植入物陶瓷材料第2部分：氧化锆增韧高纯氧化铝基复合材料

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 26, 2024

Implementation date

November 1, 2025

Scope

GB/T 22750.2-2024 is the English-translated version of 外科植入物陶瓷材料第2部分：氧化锆增韧高纯氧化铝基复合材料.

GB/T 22750.2-2024 — This document specifies the properties of biostable ceramic bone substitute materials (zirconia toughened high purity alumina matrix composites) for joint replacement.

The corresponding test methods are described. This document applies to an alumina-based composite material, i.e., alumina accounts for more than 60% by mass in the composite material, and GB/T 22750.1 describes a similar material, but with the addition of a certain amount of zirconium oxide and other composite materials with defined components.

Note. The performance requirements specified in this document differ from those in GB/T 22750.1 in terms of strength and fracture toughness, and some requirements for materials containing zirconium oxide are added.

Special requirements for (see YY/T 1715). The chemical composition specified in this document lists the additives. Typical additives for alumina or zirconia ceramics are Mg, Y, Ce, etc. These additives help improve the mechanical properties and chemical stability of alumina-zirconia composites.

This document does not include the evaluation of biocompatibility (see GB/T 16886.1). The biocompatibility of ceramic materials is the responsibility of the manufacturer.

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Document preview — GB/T 22750.2-2024

National Standard of the People's Republic of China

ICS: 11.040.40
Classification: C 35

Issued by: State Administration for Market Regulation, China National Standardization Administration

Document data1

Document data

International classification (ICS): 11.040.40.

Chinese classification (CCS): C35.

Estimated length of the Chinese original: 18,153 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 12 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 14704 · ISO 14705 · ISO 12677 · ISO 15732 · ISO 18754 · ISO 20501 · ISO 17167 · ISO 22214

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