GB/T 22638.11-2023Test methods for aluminum and aluminum alloy foils—Part 11: Determination of mechanical properties (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

This document is Part 11 of GB/T 22638 "Test Methods for Aluminum Foil". GB/T 22638 has released the following parts.

---Part 1: Determination of thickness;

---Part 2: Pinhole detection;

---Part 3: Testing of adhesion;

---Part 4: Determination of surface wetting tension;

---Part 5: Testing of wettability;

---Part 6: Determination of DC resistance;

---Part 7: Determination of heat seal strength;

---Part 8: Determination of cubic texture content;

---Part 9: Testing of hydrophilicity;

---Part 10: Determination of coating surface density;

---Part 11: Testing of mechanical properties.

Introduction

Characteristics of aluminum and aluminum alloy foils, such as thickness, pinholes, adhesion, surface wetting tension, wettability, DC resistance, heat seal strength, cubic weave The test methods for structural content, hydrophilicity, coating surface density and mechanical properties are different from the test methods for other aluminum and aluminum alloy products.

GB/T 22638 is a test method for aluminum foil products and consists of 11 parts.

---Part 1: Determination of thickness. The purpose is to establish a method for measuring the thickness of aluminum and aluminum alloy foils.

---Part 2: Detection of pinholes. The purpose is to establish a method for measuring pinholes in aluminum and aluminum alloy foils.

---Part 3: Testing of adhesion. The purpose is to establish a method for determining the adhesion of aluminum and aluminum alloy foils.

---Part 4: Determination of surface wetting tension. The purpose is to establish a method for measuring the surface wetting tension of aluminum and aluminum alloy foils.

---Part 5: Testing of wettability. The purpose is to establish a method for measuring the wettability of aluminum and aluminum alloy foils.

---Part 6: Determination of DC resistance. The purpose is to establish a method for measuring the DC resistance of aluminum and aluminum alloy foils.

---Part 7: Determination of heat seal strength. The purpose is to establish a method for measuring the heat seal strength of aluminum and aluminum alloy foils.

---Part 8: Determination of cubic texture content. The purpose is to establish a method for determining the texture content of aluminum and aluminum alloy foils on the cubic surface.

---Part 9: Testing of hydrophilicity. The purpose is to establish a method for determining the hydrophilicity of aluminum and aluminum alloy foils.

---Part 10: Determination of coating surface density. The purpose is to establish a method for determining the surface density of aluminum and aluminum alloy foil coatings.

---Part 11: Testing of mechanical properties. The purpose is to establish the measurement of tensile properties, cupping value and burst strength of aluminum and aluminum alloy foils. Determine the method.

In recent years, in order to adapt to the new needs of my country's aluminum foil technology research and development and quality control, aluminum foil testing methods have been developed in both sample preparation and inspection methods.

Detailed description. The aluminum foil mechanical properties testing method given in this document not only meets the research and development needs of aluminum foil materials, but also benefits enterprises and scientific research institutes.

Research on the performance of aluminum foil also facilitates the accurate testing and comparison of aluminum foil product performance, and is conducive to the continuous improvement of the quality of aluminum foil in my country.

1 Scope

This document describes mechanical property testing methods such as aluminum foil tensile test, cupping test, and rupture test.

This document is suitable for testing the room temperature tensile properties, cupping value and bursting strength of aluminum foil.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 4156 Erikson Cupping Test for Metallic Sheets and Strips

GB/T 8005.1 Aluminum and aluminum alloy terminology Part 1: Products and processing techniques

GB/T 8170 Numerical rounding rules and expression and determination of limit values

GB/T 10623 Terminology for mechanical properties testing of metal materials

GB/T 16865 Specimens and methods for tensile testing of deformed aluminum, magnesium and their alloy processed products

GB/T 22638.1 Aluminum foil test methods Part 1: Determination of thickness

GB/T 26492.4 Defects in deformed aluminum and aluminum alloy ingots and processed products Part 4: Aluminum foil defects

JJG475 electronic universal testing machine

3 Terms and definitions

The terms and definitions defined in GB/T 8005.1, GB/T 10623 and GB/T 26492.4 apply to this document.

4 Test conditions

The test temperature is 5 °C~35 °C.

5 Tensile test