BS EN ISO 18785-2:2021: Friction Stir Spot Welding - Aluminium Design of Weld Joints

Welcome to the world of advanced welding techniques with the BS EN ISO 18785-2:2021 standard. This comprehensive guide is your key to mastering the art of friction stir spot welding, specifically tailored for aluminium materials. Released on January 25, 2021, this standard is an essential resource for professionals in the welding industry, engineers, and designers who are looking to enhance their knowledge and skills in creating robust and efficient weld joints.

Overview of the Standard

The BS EN ISO 18785-2:2021 standard provides detailed guidelines and specifications for the design of weld joints using friction stir spot welding (FSSW) techniques. This method is particularly advantageous for aluminium, a material known for its lightweight and high-strength properties. The standard outlines the best practices and design considerations to ensure optimal performance and durability of welded joints.

Key Features

• Standard Number: BS EN ISO 18785-2:2021
• Pages: 14
• Release Date: January 25, 2021
• ISBN: 978 0 539 14173 3
• Status: Standard

Why Choose Friction Stir Spot Welding?

Friction stir spot welding is a revolutionary technique that offers numerous benefits over traditional welding methods. It is a solid-state process, meaning that it does not involve melting the materials being joined. This results in several advantages:

• Improved Joint Strength: The absence of melting reduces the risk of defects such as porosity and cracking, leading to stronger and more reliable joints.
• Enhanced Material Properties: The process preserves the original properties of the base materials, maintaining their strength and integrity.
• Environmental Benefits: FSSW is an eco-friendly process that produces minimal emissions and waste, making it a sustainable choice for modern manufacturing.
• Cost-Effective: The efficiency of the process reduces energy consumption and material waste, leading to cost savings in production.

Applications of the Standard

The BS EN ISO 18785-2:2021 standard is applicable across a wide range of industries where aluminium is a key material. Some of the primary applications include:

• Automotive Industry: Used in the production of lightweight and fuel-efficient vehicles, enhancing performance and safety.
• Aerospace Sector: Essential for constructing aircraft components that require high strength-to-weight ratios.
• Construction: Ideal for building structures that demand durability and resilience.
• Consumer Electronics: Utilized in the manufacturing of devices that require precision and reliability.

Design Considerations

Designing weld joints using friction stir spot welding requires careful consideration of several factors to ensure optimal results. The BS EN ISO 18785-2:2021 standard provides guidance on:

• Material Selection: Choosing the right aluminium alloys that are compatible with FSSW techniques.
• Joint Configuration: Designing joints that maximize strength and minimize stress concentrations.
• Tool Design: Selecting and designing tools that are suitable for the specific welding application.
• Process Parameters: Optimizing parameters such as rotational speed, pressure, and dwell time to achieve the best weld quality.

Conclusion

The BS EN ISO 18785-2:2021 standard is an invaluable resource for anyone involved in the design and production of aluminium weld joints using friction stir spot welding. By adhering to the guidelines and specifications outlined in this standard, professionals can ensure the creation of high-quality, durable, and efficient welds that meet the demands of modern engineering and manufacturing.

Whether you are an experienced welder, an engineer, or a designer, this standard will equip you with the knowledge and tools needed to excel in your field. Embrace the future of welding with the BS EN ISO 18785-2:2021 and take your projects to new heights of excellence.

BS EN ISO 18785-2:2021

This standard BS EN ISO 18785-2:2021 Friction stir spot welding. Aluminium is classified in these ICS categories:

• 25.160.40 Welded joints and welds

This document specifies the design requirements and provides design guidelines for friction stir spot welding.

In this document, the term "aluminium" refers to aluminium and its alloys.