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SAE1022及SAE10B21回火條件對顯微組織及機械性質影響之研究 ...

國立高雄大學化學工程及材料工程學系碩士班

SAE1022及SAE10B21回火條件對顯微組織及機械性質影響之研究 = Effect of tempering on microstructure and mechanical properties of SAE 1022 and SAE 10B21

Record Type:	Language materials, printed : monographic
Paralel Title:	Effect of tempering on microstructure and mechanical properties of SAE 1022 and SAE 10B21
Author:	黃珮瑜,
Secondary Intellectual Responsibility:	國立高雄大學
Place of Publication:	[高雄市]
Published:	國立高雄大學;
Year of Publication:	2015[民104]
Description:	[12]，126葉圖，表 : 30公分;
Subject:	SAE 1022
Subject:	SAE 1022
Online resource:	https://hdl.handle.net/11296/k9r9k9
Notes:	109年11月18日公開
Summary:	台灣被譽為｢螺絲供應王國｣，扣件產業從2006至2015每年都有持續進步，而扣件產品要出口至其他國家之前，必須要有良好的品質。本論文由基礎的扣件材料SAE 1022及SAE 10B21，藉由不同溫度的回火處理，進行扭力、敲擊彎曲度、硬度、滲碳深度及顯微組織等等實驗，進行鋼鐵材料加入硼之後，機械性質及顯微組織的影響之研究。由本研究結果顯示，材料加入硼之後，對於扭力值沒有明顯的影響，但對於敲擊彎曲度會提升28~450%，且扭斷面的韌性區域比例有明顯提升29.88~112.07%；至於表面硬度會則下降1.27~26.43%，中心硬度卻會些微上升0.35~3.05%；對於有效滲碳深度，加入硼會降低0.11~16.16%。實驗結果得知，材料添加硼之後，可以明顯提高材料敲擊彎曲度及韌性等性質，但對於表面硬度及滲碳深度卻有降低的影響。 Taiwan is known for the "Kingdom of supplying screw", fastener industry continues for advancement every year from Y2006 to Y2015. But before the fastener products exports to other countries, it must have good quality. And this dissertation used the basic fastener material SAE 1022 and SAE 10B21 to experiment on torque, bending angle, hardness, carburizing depth and microstructure and etc. by tempering heat treatment with different temperature. In this study, adding boron in steel did not have obvious effect for torque value. It increased the bending angle from 28 % to 450 %, and the proportion of the toughness region of torque broken surface had improved evidently from 29.88% to 112.07%. Regarding the surface hardness decreased from 1.27 % to 26.43 %, but the core hardness was increased slightly to 3.05 %. And effective carburizing depth can be decreased from 0.11 % to 16.16 %. The experimental results was that after adding the boron in steel material, it could significantly improve the material properties of the bending angle and toughness, but the surface hardness and carburizing depth could be lower.

SAE1022及SAE10B21回火條件對顯微組織及機械性質影響之研究 = Effect of tempering on microstructure and mechanical properties of SAE 1022 and SAE 10B21
黃, 珮瑜

SAE1022及SAE10B21回火條件對顯微組織及機械性質影響之研究 = Effect of tempering on microstructure and mechanical properties of SAE 1022 and SAE 10B21 / 黃珮瑜撰 - [高雄市] : 國立高雄大學, 2015[民104]. - [12]，126葉 ; 圖，表 ; 30公分.
109年11月18日公開.
參考書目：葉110-113.
SAE 1022SAE 1022

SAE1022及SAE10B21回火條件對顯微組織及機械性質影響之研究 = Effect of tempering on microstructure and mechanical properties of SAE 1022 and SAE 10B21
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330 $a 台灣被譽為｢螺絲供應王國｣，扣件產業從2006至2015每年都有持續進步，而扣件產品要出口至其他國家之前，必須要有良好的品質。本論文由基礎的扣件材料SAE 1022及SAE 10B21，藉由不同溫度的回火處理，進行扭力、敲擊彎曲度、硬度、滲碳深度及顯微組織等等實驗，進行鋼鐵材料加入硼之後，機械性質及顯微組織的影響之研究。由本研究結果顯示，材料加入硼之後，對於扭力值沒有明顯的影響，但對於敲擊彎曲度會提升28~450%，且扭斷面的韌性區域比例有明顯提升29.88~112.07%；至於表面硬度會則下降1.27~26.43%，中心硬度卻會些微上升0.35~3.05%；對於有效滲碳深度，加入硼會降低0.11~16.16%。實驗結果得知，材料添加硼之後，可以明顯提高材料敲擊彎曲度及韌性等性質，但對於表面硬度及滲碳深度卻有降低的影響。 Taiwan is known for the "Kingdom of supplying screw", fastener industry continues for advancement every year from Y2006 to Y2015. But before the fastener products exports to other countries, it must have good quality. And this dissertation used the basic fastener material SAE 1022 and SAE 10B21 to experiment on torque, bending angle, hardness, carburizing depth and microstructure and etc. by tempering heat treatment with different temperature. In this study, adding boron in steel did not have obvious effect for torque value. It increased the bending angle from 28 % to 450 %, and the proportion of the toughness region of torque broken surface had improved evidently from 29.88% to 112.07%. Regarding the surface hardness decreased from 1.27 % to 26.43 %, but the core hardness was increased slightly to 3.05 %. And effective carburizing depth can be decreased from 0.11 % to 16.16 %. The experimental results was that after adding the boron in steel material, it could significantly improve the material properties of the bending angle and toughness, but the surface hardness and carburizing depth could be lower.
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