KR100606474B1 - 소결법에 의한 W-Cu 전기접점재료의 제조방법 - Google Patents
소결법에 의한 W-Cu 전기접점재료의 제조방법 Download PDFInfo
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- KR100606474B1 KR100606474B1 KR1020030090996A KR20030090996A KR100606474B1 KR 100606474 B1 KR100606474 B1 KR 100606474B1 KR 1020030090996 A KR1020030090996 A KR 1020030090996A KR 20030090996 A KR20030090996 A KR 20030090996A KR 100606474 B1 KR100606474 B1 KR 100606474B1
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- South Korea
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- electrical contact
- contact material
- sintering
- powder
- copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/01—Reducing atmosphere
- B22F2201/013—Hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/01—Reducing atmosphere
- B22F2201/016—NH3
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
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Abstract
Description
No. | 원료분말조성 (중량%) | 원료분말입도 (㎛) | 소결온도(℃) | 특성 | ||
상대밀도 (g/cm3) | 경도(HRb) | 도전율 (IACS%) | ||||
1 | 50W-50Cu | 0.5 | 1100 | 12.1 | 80 | 58 |
2 | 0.7 | 1100 | 12.1 | 77 | 59 | |
3 | 0.5 | 1250 | 12.6 | 86 | 54 | |
4 | 0.9 | 1200 | 11.7 | 72 | 50 | |
5 | 60W-40Cu | 0.5 | 1100 | 12.9 | 92 | 51 |
6 | 0.7 | 1100 | 12.9 | 88 | 52 | |
7 | 0.5 | 1250 | 12.9 | 90 | 49 | |
8 | 0.9 | 1200 | 13.4 | 82 | 45 | |
9 | 65W-35Cu | 0.5 | 1100 | 12.6 | 95 | 49 |
10 | 0.7 | 1100 | 13.6 | 91 | 50 | |
11 | 0.5 | 1250 | 14.1 | 99 | 45 | |
12 | 0.9 | 1200 | 13.1 | 85 | 45 |
전기접점재료 | 밀도(g/cm3) | 경도(HRb) | 도전율(IACS%) |
50W~50Cu | 12.0~12.5 | 75~90 | 57~68 |
60W~40Cu | 12.9~13.4 | 88~100 | 51~59 |
65W~35Cu | 13.5~14.0 | 91~102 | 48~55 |
Claims (2)
- 중량%로, 텅스텐(W):48~67%와 동(Cu): 33~52%로 조성되고, 그 분말의 입도가 0.7㎛이하로 제어된 W-Cu 혼합분말을 마련하는 단계;상기 혼합분말을 이용하여 성형체를 제조한후, 암모니아 분해가스 또는 수소가스 분위기하에서 750~850℃에서 환원열처리하는 단계; 및상기 환원열처리된 성형체를 1100℃~1200℃의 온도범위에서 소결하는 단계를 포함하는 소결법에 의한 W-Cu 전기접점재료의 제조방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020030090996A KR100606474B1 (ko) | 2003-12-13 | 2003-12-13 | 소결법에 의한 W-Cu 전기접점재료의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020030090996A KR100606474B1 (ko) | 2003-12-13 | 2003-12-13 | 소결법에 의한 W-Cu 전기접점재료의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20050059348A KR20050059348A (ko) | 2005-06-20 |
KR100606474B1 true KR100606474B1 (ko) | 2006-08-02 |
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KR1020030090996A KR100606474B1 (ko) | 2003-12-13 | 2003-12-13 | 소결법에 의한 W-Cu 전기접점재료의 제조방법 |
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KR (1) | KR100606474B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105642889A (zh) * | 2015-09-02 | 2016-06-08 | 华中科技大学 | 一种Ag基电触头的制造方法 |
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2003
- 2003-12-13 KR KR1020030090996A patent/KR100606474B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105642889A (zh) * | 2015-09-02 | 2016-06-08 | 华中科技大学 | 一种Ag基电触头的制造方法 |
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KR20050059348A (ko) | 2005-06-20 |
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