塑性体积成形中金属流动及应变分布的测试
DOI: 10.3969/j.issn.1006-7043.2009.08.024
Keywords: 体积成形 塑性变形 应变分布 螺纹法 金属流动
Abstract:
针对复杂塑性体积成形过程中金属塑性应变和流线分布难于测定的问题,采用了一种用套环螺纹的测量方法.该方法不用替代材料即可实现对模锻成形过程中三维塑性变形的测量,并可定量分析.利用此方法对轮毂件成形过程中典型截面上四条流线及其轴向应变、径向应变进行了测定,且定量给出了该复杂锻件成形过程中变形及应变分布规律.因此可知,该方法是测试模锻成形过程中金属塑性变形流动较为有效的实验手段,利用其可对镦粗和挤压等一般塑性体积成形过程中的金属流动和应变分布进行预测研究.
| [1] | 1. DEAN T A The net-shape forming of gears 2000(4)
|
| [2] | 2. SHEN G S.FURRER D Manufacturing of aerospace forgings 2000(1)
|
| [3] | 3. BEWLAY B P.GIGLIOTTI M F Net-shape manufacturing of aircraft engine disks by roll forming and hot die forging 2003(2)
|
| [4] | 4. LI F.YUAN S J.LIU G Effect of friction on metal flow behavior during extrusion process 2008(1)
|
| [5] | 5. PERTENCE A E M.CETLIN P R Analysis of a new model material for the physical simulation of metal forming 1998(1-3)
|
| [6] | 6. ROBINSON T.OU H.ARMSTRONG C G Study on ring compression test using physical:modeling and FE simulation 2004
|
| [7] | 7. 苑世剑.张吉.何祝斌 用嵌入螺柱法测量金属体内塑性应变分布 2007(4)
|
| [8] | 8. YUAN S J.ZHANG J.HE Z B Validation and application of a screw method for strain measurement in bulk metal forming 2007(7)
|
| [9] | 9. LI F.YUANS J.WANG X S Measurement for strain distribution and material flow in forging by the lantern ring screw method 2009(2)
|
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