Prevention of defects such as cracks... post-weld heat treatment.
Post-cooking heat treatment of meat
Prevention of defects such as cracks: The higher the hardness of the material, the more important this process becomes as the sensitivity to cracking increases.
Overlay welding is performed not to join metals, but to impart wear resistance, corrosion resistance, and heat resistance to the surface of the metal. The reasons for performing overlay welding include the high cost of manufacturing entire components from such specialized metals, technical difficulties, and the need to repair worn components due to operational loads. The importance of this process increases as the hardness of the material rises, leading to greater sensitivity to cracking. At Martec, we are well-versed in the characteristics of high-hardness materials, which is why we carry out post-processing that pursues quality.
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In the case of hardfacing, if the weld is allowed to cool naturally without any slow cooling after completion, there have been instances where the hardfaced area cracked the next day. This cracking often occurs perpendicular to the direction of the hardfacing weld and is referred to as delayed cracking. The effect of post-heating is to release hydrogen by heating the weld area immediately after completion, thereby preventing delayed cracking. To prevent delayed cracking with just preheating, high-temperature preheating is necessary, which can be difficult depending on the mass of the item. Combining post-heating allows for a reduction in preheating temperature. At Martec, we conduct post-processing that pursues quality, fully aware of the characteristics of high-hardness materials.
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Martech Co., Ltd. specializes in manufacturing parts using high-tech materials such as corrosion-resistant, wear-resistant, non-stick, low-temperature welding (thermal spraying), and special metal materials. For the development and sales of industrial components based on advanced joining materials that also address environmental issues, trust Martech Co., Ltd. - A network of over 200 specialized companies in special metals! - One-stop service for design, processing, materials, and construction! - Fast estimates within 48 hours of your request! - We handle all cases from manufacturing and repair of machines and parts to installation! - Reliable responses leveraging our background in specialized metal applications! Design, manufacturing, tooling, and repair Surface treatment, plating, painting Parts and metal processing Resins, plastics, rubber, non-ferrous metals If you have any issues related to machinery, feel free to reach out!
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*** Items Handled *** - Screws - Cylinders - Extruders - Build-up - Stellite - Colmonoy - Paste soldering materials - Silver brazing ceramics - HIP treatment - Special plating If you have any issues related to machinery, feel free to ask!!