
熱處理CH4-4
Quiz
•
Professional Development
•
12th Grade
•
Practice Problem
•
Medium
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某工廠在對機械零件進行熱處理時,希望提高韌性並降低脆性,應該採取何種處理方式?
Answer explanation
回火的主要目的是降低淬火後的脆性,提高材料的韌性。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一支刀具在淬火後硬度過高,導致使用時容易崩刃,應該採取哪種處理方式來改善?
Answer explanation
低溫回火可降低內應力,保持硬度同時提高耐磨性,適合刀具使用。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個彈簧在製造過程中需進行熱處理,應選擇哪種回火溫度範圍來確保其足夠的韌性與彈性?
Answer explanation
彈簧需要高韌性,通常回火溫度在 400~600°C 之間。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某工件經淬火後存放一天後才進行回火,可能產生什麼問題?
Answer explanation
淬火後應立即回火,否則殘留應力可能導致開裂。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
高碳鋼工件經淬火後發現過於脆弱,最適合的處理方式為?
Answer explanation
高溫回火可改善脆性,提升韌性,使材料適合應用。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某機械零件需要兼具高硬度與良好韌性,應使用何種熱處理方式?
Answer explanation
低溫回火可以保持高硬度並提供適當的韌性,適合機械零件。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
高速鋼工具的回火溫度通常為?
Answer explanation
高速鋼需要二次硬化,通常在 450~600°C 進行回火。
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