Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Feng Qi Han"'
Publikováno v:
Key Engineering Materials. 697:741-744
Fe2O3、CaO have been added into the combustion system of manual SHS welding as slagging elements and the effects of their addition have been studied. Results showed that the combustion velocity and the adiabatic combustion temperature both became lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ff1c6961433001ecf2dd8f7b5c2c43c
https://doi.org/10.4028/www.scientific.net/kem.697.741
https://doi.org/10.4028/www.scientific.net/kem.697.741
Publikováno v:
Applied Mechanics and Materials. :401-405
Service life of tap is shorter when low frequency torsional vibration tapping is used to tap on superalloy GH4169. The analysis of experimental data show that excessive repeated cutting times and high friction speed result in rapid wear of tap. In or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32bccd024c9969e8488e817b2f90d84a
https://doi.org/10.4028/www.scientific.net/amm.496-500.401
https://doi.org/10.4028/www.scientific.net/amm.496-500.401
Publikováno v:
Advanced Materials Research. :719-724
In order to provide references for the application of low frequency torsional vibration tapping, three typical difficult to cut materials 30CrMnSi, GH4169 and TC4 were selected to carry out experiments. Experiment results show that net cutting angleL
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78452ef5bbfdb03e8e32ab4c24567b57
https://doi.org/10.4028/www.scientific.net/amr.712-715.719
https://doi.org/10.4028/www.scientific.net/amr.712-715.719
Publikováno v:
Applied Mechanics and Materials. :37-41
Vibrator is the key part of vibration tapping machine. In this paper, a kind of oblique cam type mechanical vibrator was designed. The vibrator has the advantages of simple structure and easy manufacturing, and the output amplitude of the vibrator ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b4a7aaa9ef8722a86f7323e8cf60c09
https://doi.org/10.4028/www.scientific.net/amm.215-216.37
https://doi.org/10.4028/www.scientific.net/amm.215-216.37
Publikováno v:
Advanced Materials Research. :111-114
Low frequency torsional vibration tapping is an effective method to solve the problem of tapping in difficult to cut materials. Tapping parameters affect tapping torque and service life of tap, and cutting angle is the key parameter. Experiments were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f48504ca834323ba74e3e61248ad5ce5
https://doi.org/10.4028/www.scientific.net/amr.424-425.111
https://doi.org/10.4028/www.scientific.net/amr.424-425.111
Publikováno v:
Advanced Materials Research. :1214-1217
Manual SHS welding is a new method of emergency welding based on SHS reaction. The large amount of Al2O3 created in the reaction restricts the welding performance seriously. In this paper, CaO and MgO were added as slagging elements to improve the ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56a05cbeae16ce5ebd88b6404a1062db
https://doi.org/10.4028/www.scientific.net/amr.314-316.1214
https://doi.org/10.4028/www.scientific.net/amr.314-316.1214
Publikováno v:
Applied Mechanics and Materials. :1306-1310
Early breakage of tap often occurs when tapping on difficult-to-cut materials with the method of low frequency torsional vibration tapping, which decreases the technological effect and restricts its application. The effect of impact load on tap break
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fe0bbcdcead9c7183ac33501236bd25
https://doi.org/10.4028/www.scientific.net/amm.37-38.1306
https://doi.org/10.4028/www.scientific.net/amm.37-38.1306
Publikováno v:
Advanced Materials Research. :1634-1638
The mechanism of prolonging service life of tap in low frequency vibration tapping was studied from two aspects of the reduction of wear and the insensitivity of the passivation of tap. Repeated cutting and separate type boundary lubrication improved
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::424120f10b551b341bcd5d28562c4839
https://doi.org/10.4028/www.scientific.net/amr.154-155.1634
https://doi.org/10.4028/www.scientific.net/amr.154-155.1634
Publikováno v:
Materials Science Forum. :153-156
Stepping tapping is a new tapping mode for Nickel-based superalloy GH4169. Longer life of tap and higher machining efficiency can be obtained. But chipping of tap is very prevalent. In this paper, the mechanism of chipping in step tapping is investig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a13208003521f756b02725953d7c89
https://doi.org/10.4028/www.scientific.net/msf.532-533.153
https://doi.org/10.4028/www.scientific.net/msf.532-533.153
