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| 天然橡胶硫化程度对蘑菇钉耐拔脱性能的影响 |
| Effect of Vulcanization Degree of NR on Pull-out Resistance of Mushroom Nails |
| Received:March 21, 2023 Revised:March 21, 2023 |
| DOI：10.12137/j.issn.2095-5448.2024.08.0443 |
| 中文关键词: 蘑菇钉；天然橡胶；硫化程度；金属铝针；拔脱力 |
| 英文关键词: mushroom nail；NR；vulcanization degree；metal aluminum needle；pull-out force |
| 基金项目: |
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| Author Name | Affiliation | E-mail | | HOU Bo | Gaoyi Auto Parts (Dalian) Co., Ltd | zhuyuyuan@jianxin.com | | PANG Song | 建新赵氏科技股份有限公司 | | | WANG Haifeng | 建新赵氏科技股份有限公司 | | | ZHU Yuyuan | 建新赵氏科技股份有限公司 | | | CAO Jiaqi | 高逸汽车零件（大连）有限公司 | | | TIAN Anwei* | 建新赵氏科技股份有限公司 | tiananwei@jianxin.com |
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| 中文摘要: |
| 研究天然橡胶（NR）胶料硫化程度对蘑菇钉耐拔脱性能的影响。结果表明：老化前，当延长硫化时间增大NR胶料硫化程度后，蘑菇钉的拔脱力先增大后减小，硫化程度最低的蘑菇钉拔脱力最小；老化168，336，504 h后，蘑菇钉的拔脱力先增大后减小，其中NR胶料硫化程度为75%的蘑菇钉拔脱力最大；在老化504 h后，NR胶料硫化程度为75%的蘑菇钉金属针拔脱表面附胶率仍为100%，表明其具有最佳的耐拔脱性能、较长的使用寿命。 |
| 英文摘要: |
| The effect of the vulcanization degree of natural rubber（NR） compound on the pull-out resistance of mushroom nails was studied.The results showed that before aging，when the vulcanization time was extended and the vulcanization degree was increased，the pull-out force of mushroom nails first increased and then decreased，and the mushroom nails with lowest vulcanization degree had the smallest pull-out force.After aging for 168，336，504 h，the pull-out force of mushroom nails first increased and then decreased.Among them，the mushroom nail with vulcanization degree of NR compound of 75% had the highest pull-out force.After aging for 504 h，the surface adhesion rate of mushroom nail metal needle with vulcanization degree of NR compound of 75% still was 100%，indicating that it had the best pull-out resistance and the longest service life. |
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