grain size hardening 中文意思是什麼
grain size hardening
解釋
晶粒硬化-
The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明，採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料，軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數；試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著；超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比，斷裂強度和延伸率均有一定程度的增強；超細晶ly12的熱膨脹系數在550左右發生明顯的變化。 -
The results indicated : 1 ) the friction interface can transfer continuously and stably with the imbalance cooling thermo - induce. ultra - fine grain column part can be prepared through it. and ultra - fine grain flat part can be obtained through jointing several ultra - fine grain strips in cooling friction stir processing 2 ) the refined grain size and the hardening result are mostly affected by the rotate speed, the friction press and the deformating temperature
實驗結果表明： （ 1 ）通過不平衡冷卻的熱誘導作用，實現了棒材摩擦界面的持續、穩定轉移，得到了棒狀超細晶組織；通過強冷攪拌摩擦工藝進行細晶帶合併，能夠得到板狀的超細晶組織。 -
Using the method in quantification metallography, the size of grain and hardening particles, volume percentage of inclusions and hardening particles are estimated according to samples
在解剖被檢試樣的基礎上，運用定量金相學的分析方法，估算了被檢部位的晶粒直徑、夾雜物體積百分數、強化粒子直徑及體積百分數。
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