What is the Machining Performance of GH4049 (GH49) Nickel-based Alloy

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Analysts at JPMorgan recommended selling or "underweight" emerging market local currency sovereign debt because of the global impact of the Ukraine-Russia crisis.

JPMorgan estimated that fixed-income assets in emerging markets have lost 6-9 percent of their value since Russia invaded Ukraine a month ago, with nervousness about the war and its impact on global energy and food prices adding to existing pressures.

Some leading emerging market central banks are signaling that interest rates now need to rise faster than previously expected, which fuels fears of "stagflation". Stagflation means when high inflation and higher interest rates undermine economic growth.  

With both the U.S. Federal Reserve and emerging market central banks raising interest rates, JPMorgan also said it made sense to "underweight" emerging market assets by taking advantage of the recent pullback in local currency bond yields relative to TREASURIES.  

JPMorgan said major metals exporters such as South Africa, Chile, and Peru could still do well, but warned that emerging market fixed income assets now faced a more "stagflationary" trajectory.

The markets and prices of many commodities, metals, chemicals like the Nickel-based Alloy still face uncertainty.

What is GH4049 (GH49) nickel base alloy?

GH4049 is a nickel-based superalloy, which is an age-hardening alloy. The corresponding grade is GH49. Its nickel content is about 70%. After the alloy is remelted by electroslag or vacuum arc, its processing plasticity can be improved. GH4049 superalloy has good hot and cold working properties. The alloy has good oxidation resistance below 1000 °C high temperature environment, high high temperature strength below 950 °C, small notch sensitivity, good oxidation resistance and fatigue strength. , poor single hot working plasticity

Main processing properties of GH4049 (GH49) nickel-based alloy

Compared with nickel-based alloys of the same kind, GH4049 superalloy has poor hot working plasticity. It is suitable for making gas turbine working blades with a working temperature of 850-950 °C. It is mainly used to make turbine blades for aviation, naval and industrial gas turbines. , high-temperature components such as guide vanes, turbine disks, high-pressure compressor disks and combustion chambers; also used in the manufacture of space vehicles, rocket engines, nuclear reactors, petrochemical equipment, and coal conversion and other energy conversion devices.

The nano-surface crystal layer was prepared on the surface of GH4049 nickel-based superalloy by the treatment process. The effects of different ultrasonic shot peening intensity and shot peening time on its yield strength, tensile strength and microhardness were analyzed. Residual stress distribution of the specimen after nanoization. The research results show that the increase of shot peening time has no direct relationship with the improvement of material strength, and with the increase of shot peening time, the strength of the material will decrease due to the damage of the material surface. After ultrasonic shot peening, the microhardness was significantly improved compared with that of the untreated specimen, and a compressive stress layer of about thickness was formed on the surface of the specimen, and the large compressive stress far exceeded the yield limit of the material.

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The negative electrode material is the carrier of lithium ions and electrons during the charging process of the battery and plays the role of energy storage and release. In the battery cost, the negative electrode material accounts for about 5%-15%, which is one of the important raw materials for lithium-ion batteries. The global sales of lithium battery anode materials are about 100,000 tons, mainly in China and Japan. According to the current growth trend of new energy vehicles, the demand for anode materials will also show a state of continuous growth. At present, the global lithium battery anode materials are still dominated by natural/artificial graphite, and new anode materials such as mesh carbon microspheres (MCMB), lithium titanate, silicon-based anodes, HC/SC, and metal lithium are also growing rapidly.
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