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White Papers: We Help You Master the Science of Fastening

We love sharing our fastening know-how with you. Dive in to find expert insights and application experience tailored for design and R&D engineers covering fastening challenges and solutions.

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Choosing the Right Fastener at the Design Stage

Selecting the right fasteners is closely linked to a well-defined strategy and offers long-term benefits. Smart decisions from the start ensure quality and efficiency in your design, while also reducing manufacturing and process costs. This white paper addresses both product design practices and the decision-making process for fastener selection, aiming to enhance productivity and minimize risks.

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Overview of Fastening Technologies for Composites and Plastic Materials

Composite and plastics are go-to materials in many applications; designers and engineers seek innovative fastening solutions for them. In this white paper, you will learn about available technologies and different options for creating solutions.

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Challenges and Solutions For Fastening Composites

Lightweight and composite materials are vital for efficient, cost-effective manufacturing, but combining them into multi-material components with state-of-the-art fastening technology can become complex. This white paper explores various strategies to address the key challenges faced by designers, manufacturers, and assemblers.

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Real-Time Quality Control of Joining Processes With AI and Big Data

How can machine learning be optimally applied in lightweight construction? Bossard’s MultiMaterial-Welding technology offers a pioneering approach to digitizing and quality-controlling joining processes. This white paper provides comprehensive insights into this advanced connection technology platform.

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What Is Corrosion?

While we often picture a brown-reddish piece of metal when thinking about corrosion, the reality is more complex. Experts explain that corrosion can appear in various colors and forms. So, what exactly is corrosion? What causes it? And how can it be prevented?

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Hydrogen Embrittlement – The Silent Killer

The embrittlement of metal caused by hydrogen atoms is not new. It was first reported back in 1875, more than a century ago. Nonetheless, the risk of hydrogen embrittlement, especially in mechanical fasteners, deserves more serious attention.

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Importance of Surface Finish in Stainless Steel

This white paper highlights the importance of passivation and the influence of polishing and surface profile in enhancing the corrosion resistance of stainless steel. Additionally, it emphasizes the need for precise specifications for architectural features where cosmetic appearance is crucial.

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7 Tips to Select Your Fastener Finish

Surface treatment plays a significant role in choosing the right fasteners. This white paper will investigate the six most-used coatings (zinc electroplating, zinc/nickel plating, mechanical zinc plating, zinc flake coating, hot dip galvanizing, and epoxy coating) using seven criteria.

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The Notion of “Appearance” in Coatings

Corrosion resistance, strength, stability – in addition to these classic properties of mechanical connections, another important aspect often plays a key role: aesthetics. Explore different coatings, their application on different materials and suitability for various uses.

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Galling of Stainless Steel Fasteners

Are your connecting components regularly subject to seizing and frequently causing a problem? In this white paper, you can learn not only the causes, but also targeted solutions for preventing cold welding.

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Why Friction in Screw Connections Is Crucial for Process Capability

When assessing new materials or processes for surface treatment, tribological properties such as friction, lubrication, and wear are crucial considerations. This white paper explores how friction affects preload and assembly quality in your application.

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Should Fasteners Be Reused?

The reuse of screws, nuts, and bolts sounds as though it should save costs, but often it does not. In this white paper, Martin Rüedy from the Bossard Expert team does not recommend the reuse of fastening elements in relation to five different factors.

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Loosening Joint? Don’t Lose It!

We have all experienced it: screws or nuts are loosening, whether on a bicycle or a pair of glasses. So, what is the cause of this? And how do we prevent it? Learn more in this white paper.

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Key Criteria To Prevent Material Fatigue

Material fatigue, caused by dynamic stress below the tensile strength limit, poses significant risks. Design engineers must carefully consider all aspects of dynamic loads. This white paper guides engineers on how to address dynamic loads and the criteria that fasteners and other parts must meet.

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Electroplating and Zinc Flake Coatings for Fasteners and How They Perform

For fasteners, a variety of materials can be used in different environments, with numerous plating and coating options available for finishes. The ideal solution depends on both technical and economic factors, and there is no one-size-fits-all answer.

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The Usage of Lead as an Addition to Metals and Its Consequences

This white paper informs about the use of lead in various metals, explores alternatives and their consequences, and presents the requirements of relevant industrial standards to illustrate the current market situation.

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Which Fasteners Need Heat Treatment?

Heat treatment is pivotal in fastener fabrication, enhancing mechanical properties like strength, ductility, and – for certain materials – even corrosion resistance. This white paper delves into various heat treatment processes tailored to different materials, demonstrating their impact on fastener performance.

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Hardness Measuring Techniques and Their Application for Fasteners

Hardness and its measurement practices are considered mature technologies. This white paper offers insights into current practices within the fastener industry and is aimed at promoting the proper utilization of material hardness results.

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DIN 7500 – The First Choice Fastener for Many Situations

The standard DIN 7500 specifies thread-forming screws for metric ISO threads. Introduced in the late 1970s and revised multiple times, DIN 7500 screws continue to be widely favored in various situations.

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