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changgong52新蟲 (初入文壇)
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[交流]
【求助】細化晶粒 已有9人參與
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| 純金屬在A,B兩種條件下結(jié)晶,在A條件下比B條件下晶粒明顯更小。解釋可能產(chǎn)生的原因。 |
木蟲 (正式寫手)
榮譽版主 (文壇精英)
金屬的金屬

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木蟲 (正式寫手)

鐵桿木蟲 (正式寫手)
新蟲 (小有名氣)
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Supposing the pouring temperature is the same, there are three possibilities: (1) A has higher cooling rate than B (by different mold, water cooling or something else); (2) A uses better and/or more master alloy than B; (3) A uses more effective vibration technology (mechanical, ultrasonic, electrical magnetic or something else) than B. |

新蟲 (初入文壇)
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