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Lead brass alloy and preparation method and application thereof
The invention relates to a lead brass alloy which comprises Cu, Pb and Zn, mCu is greater than or equal to 56.0% and less than or equal to 59.0%, and mPb is greater than or equal to 2.2% and less than or equal to 3.2%; wherein mCu represents the mass percent of Cu in the brass alloy, and mPb represents the mass percent of Pb in the brass alloy; the lead brass alloy comprises a matrix phase and a second phase, the matrix phase comprises an alpha phase and a beta phase, and the second phase comprises a gamma phase, a Pb phase and an intermetallic compound; the intermetallic compound comprises at least one of FeAlCe, Fe3B, AlB2, FeNiB, or AlZrEr, and at least one of FeAlCe, Fe3B, AlB2, FeNiB, or AlZrEr; wherein the area percentage of the beta phase is 64%-68%, the area percentage of the Pb phase is 0.1%-0.5%, and the area percentage of the intermetallic compound is 0.01%-0.1%. The lead brass alloy shows excellent cutting characteristics during machining, the common curling and foaming phenomenon of traditional materials is avoided, broken materials easy to treat are generated during drilling, the cut edge is round and uniform, no broken edge or powder falling problem exists, the surface flatness is 0.05 mm or below, the surface hardness fluctuation is within 5%, the length is +/-0.10, and the service life of the lead brass alloy is prolonged. The width is +/-0.10, and the thickness is +/-0.05, so that the production quality and efficiency of the floor drain are remarkably improved.
本发明涉及一种铅黄铜合金，包括：Cu、Pb、以及Zn；且，56.0％≤mCu≤59.0％，2.2％≤mPb≤3.2％；其中，mCu表示所述Cu于所述黄铜合金中的质量百分比，mPb表示所述Pb于所述黄铜合金中的质量百分比；且，所述铅黄铜合金包括：基体相和第二相；所述基体相包括：α相、以及β相，所述第二相包括：γ相、Pb相、以及金属间化合物；所述金属间化合物包括：FeAlCe、Fe3B、AlB2、FeNiB、或AlZrEr中的至少一种；其中，所述β相的面积百分比为64％‑68％，所述Pb相的面积百分比为0.1％‑0.5％，所述金属间化合物的面积百分比为0.01％‑0.1％。本发明的铅黄铜合金在机加工时展现出极佳的切削特性，避免了传统材料常见的卷曲沫子现象，钻削产生的均为易于处理的碎料，裁剪边缘呈现圆润且均匀，无任何碎边和掉粉问题，表面平面度在0.05mm以下，表面硬度波动在5％以内，长度在±0.10之间，宽度在±0.10之间，厚度在±0.05之间，显著提升了地漏的生产质量和效率。
Lead brass alloy and preparation method and application thereof
The invention relates to a lead brass alloy which comprises Cu, Pb and Zn, mCu is greater than or equal to 56.0% and less than or equal to 59.0%, and mPb is greater than or equal to 2.2% and less than or equal to 3.2%; wherein mCu represents the mass percent of Cu in the brass alloy, and mPb represents the mass percent of Pb in the brass alloy; the lead brass alloy comprises a matrix phase and a second phase, the matrix phase comprises an alpha phase and a beta phase, and the second phase comprises a gamma phase, a Pb phase and an intermetallic compound; the intermetallic compound comprises at least one of FeAlCe, Fe3B, AlB2, FeNiB, or AlZrEr, and at least one of FeAlCe, Fe3B, AlB2, FeNiB, or AlZrEr; wherein the area percentage of the beta phase is 64%-68%, the area percentage of the Pb phase is 0.1%-0.5%, and the area percentage of the intermetallic compound is 0.01%-0.1%. The lead brass alloy shows excellent cutting characteristics during machining, the common curling and foaming phenomenon of traditional materials is avoided, broken materials easy to treat are generated during drilling, the cut edge is round and uniform, no broken edge or powder falling problem exists, the surface flatness is 0.05 mm or below, the surface hardness fluctuation is within 5%, the length is +/-0.10, and the service life of the lead brass alloy is prolonged. The width is +/-0.10, and the thickness is +/-0.05, so that the production quality and efficiency of the floor drain are remarkably improved.
本发明涉及一种铅黄铜合金，包括：Cu、Pb、以及Zn；且，56.0％≤mCu≤59.0％，2.2％≤mPb≤3.2％；其中，mCu表示所述Cu于所述黄铜合金中的质量百分比，mPb表示所述Pb于所述黄铜合金中的质量百分比；且，所述铅黄铜合金包括：基体相和第二相；所述基体相包括：α相、以及β相，所述第二相包括：γ相、Pb相、以及金属间化合物；所述金属间化合物包括：FeAlCe、Fe3B、AlB2、FeNiB、或AlZrEr中的至少一种；其中，所述β相的面积百分比为64％‑68％，所述Pb相的面积百分比为0.1％‑0.5％，所述金属间化合物的面积百分比为0.01％‑0.1％。本发明的铅黄铜合金在机加工时展现出极佳的切削特性，避免了传统材料常见的卷曲沫子现象，钻削产生的均为易于处理的碎料，裁剪边缘呈现圆润且均匀，无任何碎边和掉粉问题，表面平面度在0.05mm以下，表面硬度波动在5％以内，长度在±0.10之间，宽度在±0.10之间，厚度在±0.05之间，显著提升了地漏的生产质量和效率。
Lead brass alloy and preparation method and application thereof
一种铅黄铜合金及其制备方法与应用
OUYANG HAO (author) / LIU XINGZHUANG (author) / YIN LANG (author) / LUO TAO (author) / DING YIJIE (author) / HUA CHENGWEN (author) / YANG SONGHUI (author)
2024-10-25
Patent
Electronic Resource
Chinese
IPC:
C22C
Legierungen
,
ALLOYS
/
B22D
CASTING OF METALS
,
Gießen von Metallen
/
B23P
Sonstige Metallbearbeitung
,
OTHER WORKING OF METAL
/
C22F
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
,
Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen
/
E03F
SEWERS
,
Abwasserkanäle
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