Metal Testing & Analysis Archives - MetalTek

Weld Repair / Weld Upgrade In Steel Castings – When To Use

Dave Olsen — Wed, 22 May 2024 19:22:18 +0000

Like many metal components, steel castings may require repair or modification during their initial casting or overall lifecycle. Weld repair, also known as upgrade, is an industry-standard practice employed to address defects, adapt castings to new requirements, or extend the life of a casting. A common misconception around weld repair is that it leads to…

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The Beginners Guide to Metal Casting Defects

Dave Olsen — Fri, 12 Jan 2024 16:37:16 +0000

Metal casting is one of the most widely utilized methods of producing metal parts. Like any process, if not conducted carefully, defects can occur. Defects compromise the integrity and quality of the final metal product and come in a wide variety. Foundry experts can perform various tests to ensure defects are discovered and corrected. However,…

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What Are The Differences Between The Mechanical Properties And Physical Properties Of An Alloy?

admin — Thu, 27 Apr 2023 20:54:12 +0000

What are the properties of metal and what are the key differences between them? Physical and mechanical properties are important considerations when choosing a material for a specific application. Below are the definitions of the physical properties of metals and mechanical properties of metals, along with a few examples. A material’s chemical composition and internal…

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Metal Casting Inspection Methods: What They Tell and What the Limitations Are

Dave Olsen — Wed, 12 Oct 2022 16:14:37 +0000

Metal casting is precise and process orientated. With countless variables potentially affecting the result, casting inspection procedures must be rigorous. Inspection methods can vary between casting type, and different inspection methods are often used for a single casting. More than anything else, metal casting inspections provide customers with confidence that they received a quality casting. …

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What is NADCAP Certification, and Do You Need It?

Dave Olsen — Wed, 06 Oct 2021 19:34:35 +0000

Earning NADCAP certification means that a company has improved its processes to be a better supplier to Aerospace and Defense companies. Tina Dutcher and Jim Myers of MetalTek’s Wisconsin Investcast Division explain the importance of NADCAP – whether you are a foundry producing investment castings or centrifugal castings, or any other supplier to these highly…

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Why Certain Metals Offer Greater Wear Resistance

admin — Tue, 01 Dec 2020 01:37:44 +0000

One regularly hears recommendations about material selection. Use this alloy for superior heat resistance. Or that for seawater corrosion. Or this other one for a high wear application. But what about the alloy actually makes it deliver that performance? In this installment, we will explore some simplified technical reasons – at the microscopic level –…

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What Is Penetrant Inspection (FPI and LPI)?

admin — Thu, 26 Nov 2020 02:57:00 +0000

Penetrant inspection is a popular detection method because it is relatively inexpensive and can be administered on a surface that is oriented in nearly any direction. Penetrant Inspection may take the form of Fluorescent Penetrant Inspection (FPI) or visible Liquid Penetrant Inspection (LPI). Each penetrant testing has its advantages, so the selected method will be…

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