论文部分内容阅读
在二次钝化常温发黑工艺的基础上,针对其钝化时间长的缺点,开发了球墨铸铁件的常温发黑工艺,介绍了应用技术和效果。
Based on the secondary passivation blackening process at room temperature, aiming at the shortcoming of long passivation time, the technology of nodular cast iron at room temperature was developed and the application technology and effect were introduced.