Nucleation in Zn–Al alloys grain refined with Ti

Pollard, W.A.

doi:10.1179/cmq.1974.13.4.597

Cited by 5 publications

(2 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Zn-Al and ZA5 alloys usually solidify in a coarse dendritic structure which tends to reduce their mechanical strength and surface quality. Researchers, therefore, started to modify their structures by adding some alloying elements of rare earth materials on a micro level, e.g., Ti, Ti+B, Zr to their melt before solidification [3][4][5][6][7][8]. The main research work was directed towards modification of the structure by grain refining.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of Tantalum (Ta) Addition to Zinc-Aluminum Alloy 5 (ZA5) on its Microstructure and Fatigue Life

Zaid

Weraikat

2018

KEM

View full text Add to dashboard Cite

Due to their resistance to wear and corrosion, the use of Zinc-Aluminum (Zn-Al) alloys in general and Zinc-Aluminum 5 (ZA5) alloys, in particular, have spread in the last two decades in industrial applications. These alloys normally solidify in a coarse dendritic structure which affects their surface quality and mechanical behavior. Therefore, their structure is normally refined by rare earth materials, such as Titanium (Ti), Titanium-Boron (Ti-B) or zirconium (Zr). In this research, the effect of adding Tantalum (Ta) to ZA5, at the following percentages: 0.02%, 0.04%, 0.06%, 0.08%, and 0.10%, on its microstructure and fatigue life is investigated. The results of this work revealed, within the experimental range, that the addition of Ta as a grain refiner at all rates could change the coarse dendritic structure of ZA5 into a fine nodular one. It was also found that adding Ta at 0.04% to ZA5 increased its fatigue life at a stress level of 160 MPa. However, adding Ta at a rate percentage higher than 0.04% and at stress level exceeding 160 MPa resulted in deterioration of its fatigue life.

show abstract

Section: Introductionmentioning

confidence: 99%

“…The ductility of these alloys was enhanced by the addition of 0.1% B. Moreover, the vibration damping was greatly improved by adding 0.05% -1.0% Ti and/or 0.05% -3.0% Zr, [5].…”

Section: Introductionmentioning

confidence: 99%

Effect of Tantalum (Ta) Addition to Zinc-Aluminum Alloy 5 (ZA5) on its Microstructure and Fatigue Life

Zaid

Weraikat

2018

KEM

View full text Add to dashboard Cite

show abstract

Main Directions of Recent Works on Al-Zn-Based Alloys for Foundry Engineering

Krajewski

Greer

Krajewski

2019

J. of Materi Eng and Perform

View full text Add to dashboard Cite

The composition and structural modification of high-aluminum zinc alloys and high-zinc aluminum alloys influence their wear properties and structural stability. The work described has been aimed at improving properties of the sand-cast Al-Zn-based foundry alloys, particularly their ductility and dimensional stability, by melt inoculation and/or change of chemical composition. In a series of studies, high-aluminum Zn-(25-26) wt.% Al-(1-2.5) wt.% Cu and high-zinc Al-(27-30) wt.% Zn-(1.5-2.5) wt.% Cu alloys have been doped with different levels of added Ti and Mn. The alloysÕ structure and mechanical properties have been studied using scanning electron microscopy (SEM), light microscopy (LM), dilatometry and pin-on-disk wear measurements. A small addition of Ti introduced with Zn-4Ti master alloy leads to significant grain refinement of the high-aluminum zinc alloys. A small addition of Ti introduced with Al-3Ti-0.15C master alloy leads to significant grain refinement of the high-zinc aluminum alloys. In the ternary alloys, partially replacing Cu with Ti and/or Mn allows dimensional changes to be reduced while preserving good wear properties.

show abstract

Influence of Titanium on the Microstructure and Mechanical Properties of Foundry Zinc Alloy

Dudek

Piwowońska

2022

J. of Materi Eng and Perform

View full text Add to dashboard Cite

The article presents studies of the influence of titanium on the microstructure and mechanical properties of the zinc casting alloy ZL2. The positive effect of its addition on the strength of die castings made of this alloy was found. Castings with the addition of titanium had a fine structure and higher tensile strength (approx. 255 MPa for an alloy with Ti addition) compared to the base material (approx. 200 MPa). The addition of the modifier also increased the hardness of the obtained castings from 100 HBW (ZL2) to 130 HBW (alloy with the addition of Ti).

show abstract

Nucleation in Zn–Al alloys grain refined with Ti

Cited by 5 publications

References 0 publications

Effect of Tantalum (Ta) Addition to Zinc-Aluminum Alloy 5 (ZA5) on its Microstructure and Fatigue Life

Effect of Tantalum (Ta) Addition to Zinc-Aluminum Alloy 5 (ZA5) on its Microstructure and Fatigue Life

Main Directions of Recent Works on Al-Zn-Based Alloys for Foundry Engineering

Influence of Titanium on the Microstructure and Mechanical Properties of Foundry Zinc Alloy

Contact Info

Product

Resources

About