Elastic-plastic-brittle transitions of potassium dihydrogen phosphate crystals: characterization by nanoindentation

doi:10.1007/s40436-020-00320-3

Advances in Manufacturing ›› 2020, Vol. 8 ›› Issue (4): 447-456.doi: 10.1007/s40436-020-00320-3

• ARTICLES • 上一篇

Elastic-plastic-brittle transitions of potassium dihydrogen phosphate crystals: characterization by nanoindentation

Yong Zhang¹, Ning Hou², Liang-Chi Zhang³, Qi Wang¹

1 School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China;
2 School of Mechatronics Engineering, Shenyang Aerospace University, Shenyang 110136, People's Republic of China;
3 Laboratory for Precision and Nano Processing Technologies, School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, NSW 2052, Australia

收稿日期:2020-05-19 修回日期:2020-06-07 发布日期:2020-12-07
通讯作者: Ning Hou, Liang-Chi Zhang E-mail:13b908074@hit.edu.cn;liangchi.zhang@unsw.edu.au
基金资助:
This work was supported by the National Natural Science Foundation of China (NSFC) (Grant Nos. 51875137 and 51905356), the Natural Science Foundation of Heilongjiang Province (Grant No. E2018033), and the Australian Research Council (ARC) (Grant No. DP170100567). The authors thank Weidong Liu and Zhonghuai Wu for calculating the first pop-in event in this study.

Elastic-plastic-brittle transitions of potassium dihydrogen phosphate crystals: characterization by nanoindentation

Yong Zhang¹, Ning Hou², Liang-Chi Zhang³, Qi Wang¹

1 School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China;
2 School of Mechatronics Engineering, Shenyang Aerospace University, Shenyang 110136, People's Republic of China;
3 Laboratory for Precision and Nano Processing Technologies, School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, NSW 2052, Australia

Received:2020-05-19 Revised:2020-06-07 Published:2020-12-07
Contact: Ning Hou, Liang-Chi Zhang E-mail:13b908074@hit.edu.cn;liangchi.zhang@unsw.edu.au
Supported by:
This work was supported by the National Natural Science Foundation of China (NSFC) (Grant Nos. 51875137 and 51905356), the Natural Science Foundation of Heilongjiang Province (Grant No. E2018033), and the Australian Research Council (ARC) (Grant No. DP170100567). The authors thank Weidong Liu and Zhonghuai Wu for calculating the first pop-in event in this study.

摘要/Abstract

摘要： Potassium dihydrogen phosphate (KDP) crystals are widely used in laser ignition facilities as optical switching and frequency conversion components. These crystals are soft, brittle, and sensitive to external conditions (e.g., humidity, temperature, and applied stress). Hence, conventional characterization methods, such as transmission electron microscopy, cannot be used to study the mechanisms of material deformation. Nevertheless, understanding the mechanism of plastic-brittle transition in KDP crystals is important to prevent the fracture damage during the machining process. This study explores the plastic deformation and brittle fracture mechanisms of KDP crystals through nanoindentation experiments and theoretical calculations. The results show that dislocation nucleation and propagation are the main mechanisms of plastic deformation in KDP crystals, and dislocation pileup leads to brittle fracture during nanoindentation. Nanoindentation experiments using various indenters indicate that the external stress fields influence the plastic deformation of KDP crystals, and plastic deformation and brittle fracture are related to the material’s anisotropy. However, the effect of loading rate on the KDP crystal deformation is practically negligible. The results of this research provide important information on reducing machining-induced damage and further improving the optical performance of KDP crystal components.

The full text can be downloaded at https://link.springer.com/article/10.1007/s40436-020-00320-3

关键词: Potassium dihydrogen phosphate (KDP) crystal, Transition mechanism, Plastic deformation, Brittle fracture

Abstract: Potassium dihydrogen phosphate (KDP) crystals are widely used in laser ignition facilities as optical switching and frequency conversion components. These crystals are soft, brittle, and sensitive to external conditions (e.g., humidity, temperature, and applied stress). Hence, conventional characterization methods, such as transmission electron microscopy, cannot be used to study the mechanisms of material deformation. Nevertheless, understanding the mechanism of plastic-brittle transition in KDP crystals is important to prevent the fracture damage during the machining process. This study explores the plastic deformation and brittle fracture mechanisms of KDP crystals through nanoindentation experiments and theoretical calculations. The results show that dislocation nucleation and propagation are the main mechanisms of plastic deformation in KDP crystals, and dislocation pileup leads to brittle fracture during nanoindentation. Nanoindentation experiments using various indenters indicate that the external stress fields influence the plastic deformation of KDP crystals, and plastic deformation and brittle fracture are related to the material’s anisotropy. However, the effect of loading rate on the KDP crystal deformation is practically negligible. The results of this research provide important information on reducing machining-induced damage and further improving the optical performance of KDP crystal components.

The full text can be downloaded at https://link.springer.com/article/10.1007/s40436-020-00320-3

Key words: Potassium dihydrogen phosphate (KDP) crystal, Transition mechanism, Plastic deformation, Brittle fracture

Yong Zhang, Ning Hou, Liang-Chi Zhang, Qi Wang. Elastic-plastic-brittle transitions of potassium dihydrogen phosphate crystals: characterization by nanoindentation[J]. Advances in Manufacturing, 2020, 8(4): 447-456.

参考文献

1. De Yoreo JJ, Burnham AK, Whitman PK (2002) Developing KH₂PO₄ and KD₂PO₄ crystals for the world's most power laser. Int Mater Rev 47(3):113-152
2. Chen G, Sun Y, An C et al (2018) Measurement and analysis for frequency domain error of ultra-precision spindle in a flycutting machine tool. Proc Inst Mech Eng Part B J Eng Manuf 232(9):1501-1507
3. Chen G, Sun Y, Zhang F et al (2017) Influence of ultra-precision fly cutting spindle error on surface frequency domain error formation. Int J Adv Manuf Technol 88(9/12):3233-3241
4. Joshi MS, Antony AV, Rao PM (1980) Microhardness investigations on potassium dihydrogen phosphate crystals. Cryst Res Technol 15(6):743-746
5. Sengupta S, Sengupta SP (1992) Microhardness studies in gelgrown ADP and KDP single crystals. Bull Mater Sci 15(4):333-338
6. Fang T, Lambropoulos JC (2002) Microhardness and indentation fracture of potassium dihydrogen phosphate (KDP). J Am Ceram Soc 85(1):174-178
7. Cao XS, Wu DJ, Wang B et al (2008) Analysis on mechanical property of anisotropy of KDP crystal. J Synthetic Cryst 37(3):704-709
8. Wang D, Feng PF, Zhang CL et al (2012) Experimental research on the influence of the KDP crystal anisotropy on scratch characteristics. J Synthetic Cryst 41(3):568-572
9. Wang D, Feng PF, Zhang CL et al (2013) Experimental research on micro scale mechanics behavior of potassium dihydrogen phosphate crystal. Chin J Mech Eng 49(7):148-153
10. Rajesh NP, Kannan V, Raghavan PS et al (2002) Optical and microhardness studies of KDP crystals grown from aqueous solutions with organic additives. Mater Lett 52(4/5):326-328
11. Kucheyev SO, Siekhaus WJ, Land TA et al (2004) Mechanical response of KD_2xH_2(1-x)PO₄ crystals during nanoindentation. Appl Phys Lett 84(13):2274-2276
12. Peng J, Zhang LC, Lu XC (2014) Elastic-plastic deformation of KDP crystals under nanoindentation. Mater Sci Forum 773/774:705-711
13. Borc J, Sangwal K, Pritula I et al (2017) Investigation of pop-in events and indentation size effect on the (001) and (100) faces of KDP crystals by nanoindentation deformation. Mater Sci Eng A 708:1-10
14. Guo XG, Zhang XJ, Tang XZ et al (2013) Nanoindentation on the doubler plane of KDP single crystal. J Semicond 34(3):21-25
15. Lu C, Gao H, Wang J et al (2010) Mechanical properties of potassium dihydrogen phosphate single crystal by the nanoindentation technique. Mater Manuf Processes 25(8):740-748
16. Zhang Y, Zhang LC, Liu M et al (2016) Revealing the mechanical properties of potassium dihydrogen phosphate crystals by nanoindentation. J Mater Res 31(8):1056-1064
17. Johnson KL (1985) Contact mechanics. Cambridge University Press, Cambridge
18. Field JS, Swain MV (1993) A simple predictive model for spherical indentation. J Mater Res 8(2):297-306
19. Francis HA (1976) Phenomenological analysis of plastic spherical indentation. J Eng Mater Technol 98(3):272-281
20. Guin CH, Katrich MD, Savinkov AI et al (1980) Plastic strain and dislocation structure of the KDP group crystals. Cryst Res Technol 15(4):479-488
21. Chang L, Zhang L (2009) Mechanical behaviour characterisation of silicon and effect of loading rate on pop-in:a nanoindentation study under ultra-low loads. Mater Sci Eng A 506(1/2):125-129
22. Cai W, Katrusiak A (2013) Structure of the high-pressure phase IV of KH₂PO₄ (KDP). Dalton Trans 42(4):863-866
23. Hou N, Zhang Y, Zhang L et al (2016) Assessing microstructure changes in potassium dihydrogen phosphate crystals induced by mechanical stresses. Scr Mater 113:48-50
24. Leipner HS, Lorenz D, Zeckzer A et al (2001) Nanoindentation pop-in effect in semiconductors. Physica B 308/310:446-449
25. Wang B, Wang SL, Fang CS et al (2005) Effects of Fe³⁺ ion on the growth habit of KDP crystal. J Synthetic Cryst 34(2):205-208
26. Zhang Y, Hou N, Zhang LC (2018) Investigation into the room temperature creep-deformation of potassium dihydrogen phosphate crystals using nanoindentation. Adv Manuf 6(4):376-383
27. Stroh AN (1957) A theory of the fracture of metals. Adv Phys 6(24):418-465
28. Wiederhorn SM (1968) Fracture surface energy of glass. J Am Ceram Soc 52(2):99-105

[1]	Yong Zhang, Ning Hou, Liang-Chi Zhang. Understanding the formation mechanism of subsurface damage in potassium dihydrogen phosphate crystals during ultraprecision fly cutting[J]. Advances in Manufacturing, 2019, 7(3): 270-277.
[2]	Tian-Feng Zhou, Ben-Shuai Ruan, Jia Zhou, Xiao-Bin Dong, Zhi-Qiang Liang, Xi-Bin Wang. Mechanism of brittle fracture in diamond turning of microlens array on polymethyl methacrylate[J]. Advances in Manufacturing, 2019, 7(2): 228-237.
[3]	Yong Zhang, Ning Hou, Liang-Chi Zhang. Investigation into the room temperature creep-deformation of potassium dihydrogen phosphate crystals using nanoindentation[J]. Advances in Manufacturing, 2018, 6(4): 376-383.

Elastic-plastic-brittle transitions of potassium dihydrogen phosphate crystals: characterization by nanoindentation

Elastic-plastic-brittle transitions of potassium dihydrogen phosphate crystals: characterization by nanoindentation

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