AA 2524 Aluminum Alloy
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กลุ่ม: Aluminum Alloy
Copper Alloy (Al-Cu). AA designation 2524.
Overview
AA 2524 is a damage-tolerant aluminium–copper alloy whose composition and microstructure are optimised for fatigue crack-growth resistance beyond that of 2024-T3. Copper is held at 4.0–4.5% with iron and silicon kept low to minimise the coarse constituent particles that seed fatigue cracks. This focus on long crack-initiation life makes it a material of choice for wide-body commercial aircraft fuselage skin panels, where damage tolerance is paramount.
การให้คะแนนประสิทธิภาพ
Performance Radar
| สมบัติ | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 6 / 10 |
| Lightweight | 9 / 10 |
| Machinability | 8 / 10 |
| Affordability | 7 / 10 |
| Heat Res. | 4 / 10 |
องค์ประกอบ
สมบัติทางกล
| ความแข็งแรงแรงดึง | 493.5 MPa |
| ความแข็งแรงจุดคราก | 336.6 MPa |
| การยืดตัว | 24.3% |
| ความแข็ง (ร็อกเวลล์) |
องค์ประกอบทางเคมี
| ธาตุ | เปอร์เซ็นต์ (%) |
|---|---|
| Al | 93.514 |
| Cr | 0.01 |
| Cu | 4.4 |
| Fe | 0.05 |
| Mg | 1.387 |
| Mn | 0.619 |
| Si | 0.03 |
| Ti | 0.03 |
| Zn | 0.008 |
ซื้อได้ที่ไหน AA 2524 Aluminum Alloy
ลิงก์อาจได้รับค่าคอมมิชชันโดยไม่มีค่าใช้จ่ายเพิ่มเติมสำหรับคุณ
คำอธิบาย
AA 2524 is a damage-tolerant aluminum-copper alloy with optimized composition and microstructural control to achieve superior fatigue crack growth resistance compared to 2024-T3. It contains 4.0–4.5% copper with tightly controlled iron and silicon levels to minimize coarse constituent particles that initiate fatigue cracks. The alloy is used in wide-body commercial aircraft fuselage skin panels where long fatigue life and damage tolerance are paramount.