For a particular application you want the grain size that represents a compromise between as strong as you can get and as brittle as you can live with,he says.
For a particular application you want the grain size that represents a compromise between as strong as you can get and as brittle as you can live with,he says.
“对任何专门的使用条件，你都希望颗粒的大小能够形成一种组合，使得强度能够承受你的需要，脆性又可以让你接受。”