搜索结果: 1-5 共查到“机械工程 over sand”相关记录5条 . 查询时间(0.044 秒)
New scaling law predicts how wheels drive over sand
New scaling law predicts wheels drive over sand
2017/7/21
When engineers design a new aircraft, they carry out much of the initial testing not on full-sized jets but on model planes that have been scaled down to fit inside a wind tunnel. In this more managea...
Polysialates binders preparation and their influence to shear strength of foundry sand mixtures
Product development Innovative foundry technologies and materials
2011/3/15
This paper deals with polysialates water-glasses preparation. There were used various procedures with the goal to create inorganic polymer on silicon and aluminum base. The one composed of SiO2 and Al...
Abrasive Wear Mechanisms of Sand Particles Intruding into ATM Roller-Scraper Tribosystem
Tribosystem Abrasive Wear Mechanism
2011/8/4
The roller-scraper tribosystem of Automatic Teller Machine (ATM) plays an important role in reliable cash requests. However, the abrasive wear of the polymer tribosystem becomes a prominent problem wh...
Evaluation of Al-5Ti-1B and Al-10Sr in LM6 sand castings
Casting Modification Grain refinement
2009/12/14
Purpose: of this paper is to study the separate effects of grain refiner and modifier on the metallurgical properties of LM6 sand castings. The research aims to determine how grain refiner and modifie...
Microstructure and fluidity of sand cast ZRE1 alloy
Metallic alloys Magnesium alloys Microstructure
2010/2/8
Purpose: The automotive use of magnesium is currently restricted to low-temperature structural components. Rare earth additions such as Ce, Nd, La and Pr are known to improve the creep performance. Th...