AlSi11铝合金固接最佳条件的选择

Ł. Wzorek, M. Wędrychowicz, T. Skrzekut, P. Noga, M. Wiewióra, J. Wiewióra, W. Sajdak, M. Richert
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引用次数: 1

摘要

本文确定了破碎铝合金固接的最佳工艺条件。对alsi11tm铝合金车削加工后的金属切屑进行了研究。根据拉伸试验结果和挤压型材的表面质量分析,选择合适的粘接条件。挤压过程在350-500℃的温度范围内进行,挤压速度为13 mm/s。挤出比λ为25。在相同的条件下,从AlSi11IM固态合金中挤出样品作为参考材料。确定了直接挤压过程中温度对型材最大受力和表面质量的影响。根据拉伸试验结果,没有发现温度对力学性能的显著影响。在500℃下挤压成形的型材表面出现了明显的裂纹,这些裂纹垂直于挤压方向。此外,在350°C下挤压的型材也发现了表面缺陷。拉伸试验表明,挤压条件和固体粘结棒的塑性之间有很强的关系。只有在400-450°C的温度范围内挤压的型材表面才有光泽和光滑。AlSi11铝合金固接最佳条件的选择正常0 21假假假PL X-NONE X-NONE /*风格定义*/表。MsoNormalTable {mso-style-name: Standardowy;mso-tstyle-rowband-size: 0;mso-tstyle-colband-size: 0;mso-style-noshow:是的;mso-style-priority: 99;mso-style-parent:“”;Mso-padding-alt:0cm 5.4pt;mso-para-margin-top: 0厘米;mso-para-margin-right: 0厘米;mso-para-margin-bottom: 8.0分;mso-para-margin-left: 0厘米;行高:107%;mso-pagination: widow-orphan;字体大小:10.0分;mso-bidi-font-size: 12.0分;无衬线字体类型:“Verdana”;mso-fareast-language: en - us;}
本文章由计算机程序翻译,如有差异,请以英文原文为准。
SELECTION OF OPTIMAL CONDITIONS FOR SOLID BONDING OF THE AlSi11 ALUMINIUM ALLOY
In the present work, the optimal conditions for solid bonding of fragmented aluminum alloy were determined. The research was conducted on metal chips from the AlSi11 TM aluminum alloy after the turning process. The selection of proper bonding conditions was based on the results of tensile tests and surface quality analysis of as-extruded profiles. The extrusion process was conducted within a temperature range of 350–500°C, with a ram speed of 13 mm/s. Extrusion ratio λ was 25. As a reference material, a sample from the solid AlSi11IM alloy has been extruded under the same conditions. The influence of temperature during direct extrusion on both maximum force and surface quality of obtained profiles has been determined. With reference to tensile test results, no significant influence of temperature on the mechanical properties has been noticed. Profiles extruded at 500°C were characterized by visible cracks on the surface, oriented perpendicular in the direction of extrusion. Moreover, surface flaws were also noticed in profiles extruded at 350°C. A tensile testrevealed a strong relationship between the extrusion conditions and plasticity of solid bonded rods. A shiny and smooth surface was obtained only in profiles extruded at a temperature range of 400–450°C. Selection of optimal conditions for solid bonding of the AlSi11 aluminium alloy Normal 0 21 false false false PL X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:Standardowy; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:8.0pt; mso-para-margin-left:0cm; line-height:107%; mso-pagination:widow-orphan; font-size:10.0pt; mso-bidi-font-size:12.0pt; font-family:"Verdana",sans-serif; mso-fareast-language:EN-US;}
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