Effect of micro alloying elements on the interfacial reactions between molten aluminum alloy and tool steel

Nazari, Keivan A.; Shabestari, S.G.

doi:10.1016/j.jallcom.2008.11.127

Cited by 62 publications

(24 citation statements)

References 33 publications

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“…4. The formation and growth of Fe-Al phase in solid iron and liquid aluminum were explained by reaction diffusion laws in several studies [13][14][15][16]. When the surface of the A6061 alloy melted and started to contact with SHA powders in the welding process, Fe from SHA powders diffused into molten A6061 to form the Al-rich phase such as Fe 2 Al 5 and FeAl 3 because the diffusion coefficient of iron into aluminum is much greater than that of aluminum into iron [17].…”

Section: Electron Probe Micro-analyzer Mapping and X-ray Diffraction mentioning

confidence: 99%

Microstructure and Wear Behavior of Cermet/Iron Alloy Cladding Layers on A6061 Alloy Coated by Resistance Seam Welding Method

Wang

Yamaguchi

Nishio

2015

Acta Metall. Sin. (Engl. Lett.)

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Cermet/iron alloy cladding layers were coated on the surface of Al-Mg-Si alloy (A6061) plates by resistance seam welding method with tungsten carbide (WC) and high-carbon iron alloy (SHA) powders. The cladding layer consisted of WC reinforcement, SHA binder, A6061 and FeAl 3 . The effect of WC ratio (30 wt%, 50 wt% and 70 wt%) on the microstructure and wear behavior of the cladding layers was investigated in detail. Abrasive wear test was performed under two kinds of load condition by using a rubber wheel apparatus to evaluate wear resistance. The results showed that the wear resistance of the cladding layer was improved by 3.5-5 times than that of the substrate. At lower load, the wear resistances of the samples 30% and 70% WC were nearly the same, which suggested that FeAl 3 played an important role in improvement of the wear resistance instead of WC. While at higher load, the amount of WC determined the wear resistance of the cladding layer. Furthermore, wear behavior of these cladding layers was explained with reference to the observed microstructure of the worn surface.

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Section: Electron Probe Micro-analyzer Mapping and X-ray Diffraction mentioning

confidence: 99%

Microstructure and Wear Behavior of Cermet/Iron Alloy Cladding Layers on A6061 Alloy Coated by Resistance Seam Welding Method

Wang

Yamaguchi

Nishio

2015

Acta Metall. Sin. (Engl. Lett.)

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“…The AleNi rich phase in the as-cast specimen shown in Fig. 4(a) is formed since Al has a higher affinity to Ni than to any of the other elements in the Al 0.5 CoCrFeNi alloy system [32,33]. The amount of AleNi rich phase in the aged specimens reflects the competing effects of the affinity between the Al and Ni atoms and the diffusion force of the Ni atoms, and it depends on the aging temperature.…”

Section: Microstructural Characteristics Of Al 05 Cocrfeni Alloymentioning

confidence: 99%

Evolution of microstructure, hardness, and corrosion properties of high-entropy Al0.5CoCrFeNi alloy

2011

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“…Chemical compositions of filler metals, wt-% and c/a52?115,[13][14][15] and layer II has been identified to be h-(Al,Si) 13 Fe 4 , with which nearly 7 wt-%Si is in solid solution and which has a monoclinic unit cell with a51?5489 nm, b50?8083 nm, c51?2476 and b5107?72u 15,16. …”

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Analysis of intermetallic layer in dissimilar TIG welding–brazing butt joint of aluminium alloy to stainless steel

Song¹,

Lin²,

Yang³

et al. 2010

Science and Technology of Welding and Joining

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Intermetallic layer of dissimilar tungsten inert gas welding-brazing butt joint of aluminium alloy/ stainless steel has been studied. A visible unequal thickness intermetallic layer has formed in welded seam/steel interface, and the thickness of the whole layer is ,10 mm. The interface with Al-12Si filler metal consists of t 5 -Al 8 Fe 2 Si layer in welded seam side and h-(Al,Si) 13 Fe 4 layer in steel side with the hardness values of 1025 and 835 HV respectively, while the interface with Al6Cu filler metal consists of h-Al 13 (Fe,Cu) 4 layer with the hardness of 645 HV. The average tensile strength of the joint with Al-12Si filler metal is 100-120 MPa, and the fracture occurs at h-(Al,Si) 13 Fe 4 layer, while the joint with Al-6%Cu filler metal presents high crack resistance with tensile strength of 155-175 MPa, which reaches more than 50% of aluminium base metal strength.

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Effect of micro alloying elements on the interfacial reactions between molten aluminum alloy and tool steel

Cited by 62 publications

References 33 publications

Microstructure and Wear Behavior of Cermet/Iron Alloy Cladding Layers on A6061 Alloy Coated by Resistance Seam Welding Method

Microstructure and Wear Behavior of Cermet/Iron Alloy Cladding Layers on A6061 Alloy Coated by Resistance Seam Welding Method

Evolution of microstructure, hardness, and corrosion properties of high-entropy Al0.5CoCrFeNi alloy

Analysis of intermetallic layer in dissimilar TIG welding–brazing butt joint of aluminium alloy to stainless steel

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