| 특성 | 알루미늄 청동 | 주석 청동 |
|---|---|---|
| 구상화 소둔 및 연화 처리 | ||
| Main Alloying Element | Aluminum (5-12%) | Tin (5-25%) |
| Other Common Elements | Iron, Nickel, Manganese, Silicon | Phosphorus, Lead, Zinc |
| Typical Grades | C95200 (Cu-9Al-2Fe) C95400 (Cu-11Al-4Fe) C95500 (Cu-11Al-4Ni-4Fe) | C90700 (Cu-10Sn) C93200 (Cu-7Sn-7Pb-2Zn) C52100 (Cu-8Sn-0.3P) |
| 물리적 특성 | ||
| 색상 | Golden to reddish-gold | Reddish to pale yellow |
| 밀도 | 7.7-8.1 g/cm³ | 8.7-8.9 g/cm³ |
| 녹는 점 | 1030-1080°C (1886-1976°F) | 830-1000°C (1526-1832°F) |
| 열 전도성 | 30-50 W/m·K | 50-70 W/m·K |
| 전기 전도도 | 10-18% IACS | 15-25% IACS |
| 기계적 성질 | ||
| 인장 강도 | 550-1200 MPa | 220-550 MPa |
| 경도 | 140-280 Brinell | 60-180 Brinell |
| 연성 | 5-20% elongation | 10-30% elongation |
| 내마모성 | 훌륭한 | 좋은 |
| 피로 강도 | 더 높은 | Good, but lower than aluminum bronze |
| 내식성 | ||
| Seawater Environment | 훌륭한 | Good, but less than aluminum bronze |
| Freshwater Environment | 훌륭한 | 훌륭한 |
| Atmospheric Environment | 훌륭한 | 훌륭한 |
| Erosion-Corrosion | High resistance | Good resistance |
| Stress Corrosion Cracking | High resistance | Moderate resistance |
| 제작 속성 | ||
| Castability | 좋은 | 훌륭한 |
| 가공성 | Good, but more challenging | Excellent, especially leaded varieties |
| 용접성 | 좋은 | Fair to poor |
| 성형성 | Good, especially at elevated temperatures | Excellent, particularly for cold working |
| 애플리케이션 | ||
| 해양산업 | Propellers, pump impellers, valve stems | Bearings, bushings |
| 항공우주 | 랜딩기어 부품, 부싱 | Less common |
| 석유 및 가스 | Drilling components, subsea equipment | Bearings, gears |
| 전기 같은 | Non-sparking tools, switchgear components | Electrical contacts, springs |
| General Engineering | Gears, bearings in harsh environments | Gears, bearings in less severe conditions |
| Economic Factors | ||
| 비용 | Generally higher | 일반적으로 낮음 |
| 유효성 | Less common | More widely available |
| Special Properties | ||
| 스파크가 발생하지 않음 | 훌륭한 | 좋은 |
| Sound Damping | 보통의 | Excellent (used in musical instruments) |
| High Temperature Performance | Better | Less suitable for high temperatures |
This table provides a comprehensive comparison of the key characteristics, properties, and applications of Aluminum Bronze and Tin Bronze, highlighting their strengths and differences across various aspects.