中国有色金属学报（英文版）
中國有色金屬學報（英文版）
중국유색금속학보（영문판）
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
2014年
z1期
75-80
,共6页
包覆材料%液压工艺%复合铸造%微观组织
包覆材料%液壓工藝%複閤鑄造%微觀組織
포복재료%액압공예%복합주조%미관조직
clad materials%hydro co-extrusion process%duo-casting%microstructure
研究液压对混合复合铸造Al 3003/Al 4004包覆材料微观组织变化的影响。复合铸造Al 3003/Al 4004包覆材料试样为圆形，由Al 3003(外部)和Al 4004(内部)材料组成。采用液压设备，在温度423 K、挤压比5的条件下制造试样。在挤压之前，Al 4004材料的直径为80 mm, Al 3003材料的厚度为35 mm，在挤压后，2种材料的直径和厚度分别为30 mm和5 mm。研究了2个试样的微观组织和硬度。在挤压之前，复合铸造Al 3003/Al 4004包覆材料横截面的硬度以抛物线的形式向中心增大。然而，在挤压后，Al 4004材料的硬度几乎没有变化。在挤压之前，Al 3003和Al 4004材料的界面存在大量直径超过1 mm的大空洞，这些大空洞随着液压过程的进行而消失。
研究液壓對混閤複閤鑄造Al 3003/Al 4004包覆材料微觀組織變化的影響。複閤鑄造Al 3003/Al 4004包覆材料試樣為圓形，由Al 3003(外部)和Al 4004(內部)材料組成。採用液壓設備，在溫度423 K、擠壓比5的條件下製造試樣。在擠壓之前，Al 4004材料的直徑為80 mm, Al 3003材料的厚度為35 mm，在擠壓後，2種材料的直徑和厚度分彆為30 mm和5 mm。研究瞭2箇試樣的微觀組織和硬度。在擠壓之前，複閤鑄造Al 3003/Al 4004包覆材料橫截麵的硬度以拋物線的形式嚮中心增大。然而，在擠壓後，Al 4004材料的硬度幾乎沒有變化。在擠壓之前，Al 3003和Al 4004材料的界麵存在大量直徑超過1 mm的大空洞，這些大空洞隨著液壓過程的進行而消失。
연구액압대혼합복합주조Al 3003/Al 4004포복재료미관조직변화적영향。복합주조Al 3003/Al 4004포복재료시양위원형，유Al 3003(외부)화Al 4004(내부)재료조성。채용액압설비，재온도423 K、제압비5적조건하제조시양。재제압지전，Al 4004재료적직경위80 mm, Al 3003재료적후도위35 mm，재제압후，2충재료적직경화후도분별위30 mm화5 mm。연구료2개시양적미관조직화경도。재제압지전，복합주조Al 3003/Al 4004포복재료횡절면적경도이포물선적형식향중심증대。연이，재제압후，Al 4004재료적경도궤호몰유변화。재제압지전，Al 3003화Al 4004재료적계면존재대량직경초과1 mm적대공동，저사대공동수착액압과정적진행이소실。
The effects of hydro co-extrusion on the microstructure changes of aluminum hybrid duo-cast Al 3003/Al 4004 clad materials were studied. The specimen of duo-cast Al 3003/Al 4004 clad materials was in circle shape, and was composed of Al 3003(outside) and Al 4004(inside) materials. The specimen was extruded by the hydro co-extrusion equipment. The manufacturing conditions of the specimen were 423 K in temperature and 5 in extrusion ratio. The dimensions of the specimen were 80 mm in diameter of the Al 4004 material and 35 mm in thickness of the Al 3003 material before the hydro co-extrusion process, and 30 mm in diameter and about 5 mm in thickness after the extrusion process, respectively. The microstructure and the hardness for two specimens were investigated. The hardness value of cross section in the duo-cast Al 3003/Al 4004 clad materials before the extrusion process was increased in form of the parabola toward the center. However, after the extrusion process, it was almost constant in the portion of Al 4004 material. Lots of big voids above 1 mm in diameter in the specimen existed in the interfacing region of Al 3003 and Al 4004 materials before the extrusion process. These big voids disappeared after the process of hydro co-extrusion.
