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| ZL101铝硅合金中钛硼细化剂添加比例的影响 |
| Influences of Ti-B Refiner Adding Ratio in ZL101 AlSi Alloy |
| Received:November 10, 2017 Revised:March 10, 2018 |
| DOI：10.3969/j.issn.1674-6457.2018.02.024 |
| 中文关键词: ZL101 钛硼细化剂 强度 塑性 晶粒尺寸 最优比例 |
| 英文关键词: ZL101 titanium boron refiner strength ductility grain size optimal ratio |
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| 中文摘要: |
| 目的 研究ZL101铝硅合金中添加钛硼细化剂的最优比例。方法 采用不同添加比例，制备一定数量的同种零件，并检测零件的强度、塑性和晶粒尺寸，以箱线图来对比不同添加比例对强度、塑性的影响，以散点图来表现不同添加比例对晶粒尺寸的影响。结果 不添加时，晶粒尺寸最大，强度和塑性也最差。随着钛硼细化剂添加比例的增大，晶粒尺寸逐步得到细化，强度和塑性也随之提高，当钛硼细化剂的质量分数超过0.1%后，细化效果逐步减弱；当质量分数为0.3%和0.1%时，强度、塑性方面基本区别不大。结论 钛硼细化剂的质量分数为0.1%~0.15%是最优的添加比例。 |
| 英文摘要: |
| The paper aims to get the optimal titanium boron refiner adding ratio of ZL101 AlSi Alloy. Certain amount of parts of the same type but with different adding ratio were manufactured to inspect their strength, ductility and grain size, to compare the effect of different ratio on strength and ductility with box-plot, and show their effects on grain size through with scatter plot. When there was no adding, the grain size was the largest and the strength and ductility was the worst. With the increase of adding ratio, the grain size was refined gradually, the strength and ductility was increased too. When the mass fraction exceeded 0.1%, the refine effect was weakened gradually. At 0.3% and 0.1% of mass fraction, there was basically no obvious difference in strength and ductility. So 0.1%~0.15% of mass fraction is the optimal ratio of Ti boron refiner adding. |
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