熱處理是將金屬材料加熱到一定的溫度,保溫一定的時間後,以一定的速率降溫到常溫或更低,從而達到改善材料組織結構獲得性能優異的材料,一般是指對金屬材料特別是鋼材的處理。常用的分類方法有哪幾種?

熱處理測驗

Quiz
•
Specialty
•
10th Grade
•
Hard
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
正火、退火、淬火、回火
淬火、熱處理、化學處理、表面硬化
熱處理、冷卻、加熱、淬火
退火、回火、磁場退火、表面淬火
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
退火是為了軟化鋼材、調整結晶組織、去除內部應力、改善冷軋加工及切削性。根據使用目的,退火細分為哪些類型?
淬火、回火、正火、化學處理
普通回火及時效、低溫回火、中溫回火、高溫回火
表面淬火、火焰加熱表面淬火、感應加熱表面淬火、高頻加熱表面淬火
完全退火、球化退火、去應力退火、中間退火
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
化學熱處理是將工件置於一定溫度的活性介質中保溫,使一種或幾種元素滲入其表層,以改變表層化學成分、組織和性能的熱處理工藝。根據滲入元素的不同有哪些化學熱處理方法?
滲碳、滲氮、滲硫、滲鉬
滲碳、滲氮、碳氮共滲、滲硼
滲氮、碳氮共滲、滲硫、滲金屬
滲鉻、滲鋁、滲硫、滲金屬
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
金屬材料在微觀結構下有很多細小的晶體稱為?
晶粒
晶格
晶面
晶核
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
熱處理提供一種有效的方式來控制金屬微觀結構下的擴散速率與冷卻速率,來達到需要的金屬性質。以下哪項不是熱處理要改變的機械性質之一?
韌性
硬度
導電性
延性
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