问题
名词解释
固溶强化
答案
参考答案:
采用添加溶质元素使固溶体强度升高的强化机制,是通过改变材料的化学成分来提高强度的方法,其强化的金属学基础是由于运动的位错与异质原子之间的相互作用的结果。
固溶强化
参考答案:
采用添加溶质元素使固溶体强度升高的强化机制,是通过改变材料的化学成分来提高强度的方法,其强化的金属学基础是由于运动的位错与异质原子之间的相互作用的结果。
根据图片选择正确的答语。 |
( ) 1. What's this? A. It's an orange. B. It's a strawberry. C. It's an apple. | ![]() |
( ) 2. What would you like? A. Bananas. B. Apples. C. Oranges. | ![]() |
( ) 3. How many bowls do you have? A. I have five. B. I have four. C. I have three. | ![]() |
( ) 4. Do you have a spoon? A. Yes, I do. B. No, I don't. C. No. | ![]() |
( ) 5. May I have a glass of water? A. Sure. B. You may have water and orange. C. No. | ![]() |