溶接肉盛層が母材から剥がれるのはなぜですか?

の 溶接肉盛層 is a special alloy layer applied to repair worn or cracked surfaces. It is commonly used in machinery manufacturing and repair. しかし, if the welding process is not handled correctly, the overlay may not bond well to the base material. This can cause the surface to peel.

Below are the main causes of this issue and the recommended solutions.

1. Incorrect Material Selection

• Cause: Inappropriate choice of materials.

• Solution: Suitable primer そして transition materials should be selected.

2. Excessive Hard Layer Thickness

• Cause: A thick hard layer leads to poor 耐衝撃性.

• Solution: The thickness of the hard layer should be reduced, または impact-resistant materials should be used.

3. High Residual Welding Stress

• Cause: Excess stress remains in the weld area after welding.

• Solution: 使用 予熱, slow cooling, tempering, または multi-step stress relief to reduce stress.

4. Workpiece Stress Exceeds Bond Strength

• Cause: During use, の peak stress on the workpiece is too high.

• Solution: の bonding hardness should be increased and the peak stress should be reduced.

5. Poor Welding Process

• Cause: Improper welding process can lead to loss of hardness in the overlay.

• Solution: の welding method should be improved to maintain the quality of the weld.

まとめ

Weld overlay is a cost-effective そして efficient method for surface repair. It is widely used in many industries. To ensure the cladding layer works well, the method should:

• Minimize base material dilution

• 確保する high deposition efficiency

• Produce a durable and well-bonded overlay

High-quality and low-dilution cladding techniques are strongly recommended.

Form: Weld Overlay Peeling – Causes and Solutions