Thermal stresses generated by machining stainless steel heads

Classification: Industry News

Dec 27,2024

Thermal Stresses Generated by Processing Stainless Steel Heads

Thermal Stresses Generated by Processing Stainless Steel Heads

I. Introduction

Stainless steel head will generate thermal stress during processing due to uneven heating or large temperature change. Thermal stress has an important influence on the quality and performance of the product, so it is of great significance to study it thoroughly.

II. Thermal stress generated during the processing of stainless steel head

1. Heating process: When the head is heated, the temperature rise rate is not uniform, resulting in temperature gradient inside the material, thus generating thermal stress.
2. Cooling process: in the cooling process, due to different parts of the cooling speed is different, resulting in temperature gradient changes, and then produce thermal stress.
3. plastic deformation: in the process, the material is subjected to external force plastic deformation, superimposed with thermal stress, aggravate the stress state of the product.

Third, the impact of thermal stress on stainless steel head

1. Influence product quality: Excessive thermal stress may lead to deformation, cracks and other defects of head, affecting the quality and performance of the product.
2. Influence service life: thermal stress may lead to fatigue cracks of end sockets in the course of use and reduce service life of the products.
3. Affecting safety performance: for stainless steel head subject to pressure, thermal stress may reduce its bearing capacity and affect safety performance.

Measures to reduce thermal stress

1. optimize the processing technology: reasonable design of the processing route, reduce the temperature gradient in the processing process.
2. Adopt heat treatment technology: Eliminate residual stress and reduce thermal stress through heat treatment technology such as annealing and quenching.
3. Selecting suitable materials: choose materials with good thermal stability and

Previous:

Types and production methods of headers

Next:

Execution standard of head (stainless steel head)

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