metallographic test

基本解釋

The whole set of photos are a profuse addition to the current metallographic test photos, and it has momentous practical significance.
該整套圖譜對現(xiàn)有的金相檢測圖譜是一個非常豐富的補充，具有重要的實用意義。
The concept and grading method of the"martensitic grade"in the standard of《Metallographic Test for Carburizing Auto Gear》were analyzed and discussed according to the experience and test results.
通過生產中的試驗例證和檢驗結果，針對《汽車滲碳齒輪金相檢驗》標準中“馬氏體級別”的概念和評級方法進行了分析和討論。
It was approved by metallographic test that the sound velocity measured by the instrument was more accurate. The instrument was easy for operation and could be used to realize automatic control.
用該儀器進行現(xiàn)場檢測并通過金相試驗對比，試驗證明，用球化率測定儀比用測厚儀和探傷儀測得的聲速值要精確，而且操作簡單，可實現(xiàn)全過程自動控制。