ARTICLES

Laboratory Practical Skills

2025-06-19

How to solve the problem of cutting long-axis metallographic specimens?

In the field of material testing, the cutting of long-axis metallographic specimens (such as bars and tubes) has always been a headache - unstable clamping, damage to the cutting surface, uneven thermal stress, insufficient cooling... How to efficiently complete the cutting and ensure the quality of the sample? Today we will share a set of systematic solutions to help you easily cope with the challenge!


2025-06-19

Cutting small metallographic specimens: tips for going from tricky to easy

In the process of metallographic sample preparation, cutting of small-sized metallographic samples has always been a headache. The reason why cutting of small-sized metallographic samples is difficult is mainly due to the following pain points.


2025-06-18

Aluminum Alloy Specimen Cutting: Pain Points and Solutions​

Aluminum alloy is a material that is often encountered during the cutting process, but this material is not easy to cut. Today, we will take a deep look at the pain points in aluminum alloy specimen cutting and present an effective solution for you.


2025-06-18

A complete analysis of metallographic sample cutting methods

In the preparation process of metallographic samples, cutting is the first and most important step. Different cutting methods will directly affect the quality of the sample and the accuracy of subsequent analysis. Today, we will analyze in detail several common metallographic sample cutting methods to help you choose the most appropriate method according to material characteristics and experimental requirements!


2025-06-18

Learn the Brinell hardness tester calibration method easily

Are you still worried about how to calibrate the Brinell hardness tester? Don't worry, we will teach you how to quickly master the calibration of the Brinell hardness tester. Collect and learn it now! Next, we will use the Brinell hardness tester produced by LABTT, which is very representative in the industry, as an example to show you the calibration operation in a comprehensive and detailed manner.


2025-06-18

How to avoid mistakes when hand grinding samples

In the process of metallographic sample preparation, hand grinding of samples seems simple, but in fact, it is a mystery. If you are not careful, it will "turn over", which makes many experimenters headache. Don't worry, today I will share with you some practical tips.


2025-06-06

Why do samples bulge during the hot mounting process?

In the process of hot mounting, everyone must have encountered such a problem: after the hot mounting is completed, a small bag will bulge on the surface of the sample, which will affect the subsequent grinding and polishing and the final metallographic structure observation. Today we will completely solve this annoying bulging problem.


2025-06-06

How to improve your hand grinding sample skills

Hand grinding samples is a common problem for many laboratory workers. Have you ever been annoyed by the time-consuming and laborious hand grinding of samples? Don't worry, today we will share two practical tips to help you easily handle hand grinding samples!


2025-06-06

What causes inaccurate hardness measurement?

In laboratory work and production testing, the hardness tester is one of our commonly used measurement tools. However, when many people use the hardness tester, they often get inaccurate measurement results due to some details. Today, let's talk about those easily overlooked wrong operations to help you avoid pitfalls and ensure the accuracy of the measurement results.


2025-06-03

How to measure the hardness of curved samples

In the field of hardness measurement, the shape and surface characteristics of the sample will directly affect the accuracy of the measurement results. Especially for samples with curvature (such as round bars, pipes, etc.), if the conventional platform is used for measurement directly, the results will often be biased. So, how to correctly measure the hardness of such samples? This article will explain it in detail for you.