“spheroidized” which gives it the most machinable condition for grinding, drilling, and cutting. A spheroidized structure also heat treats somewhat differently than a typical air cooled microstructure of pearlite. So even if a knifemaker chooses not to do an annealing step he must know that th...
The typical recommended heat treatment for 52100 is a 1500-1550°F austenitize for 10-30 minutes followed by an oil quench and a temper from 300-500°F [1]. Some knifemakers have recommended a 1475°F austenitize. There are also several different recommendations for “thermal cycles” to b...
口译打卡:每天我们会在小程序中发布各类主题口译训练材料,资料已经近千篇,内容、时长、难度按照 CATTI 标准进行选材和编辑发布,会员可直接在小程序中播放音视频、学习双语文本,同时可将自己的口译录音并在小程序中提交保存,无需发到朋友圈...
Heat stroke can be dangerous, especially for babies and toddlers. Learn how to prevent, spot and treat sunstroke in babies and young children.
Heat treating copper-beryllium can be a complex process but before we talk about how to heat treat, let’s talk about the reason for using the process. Heat treating is key to the versatility of copper-beryllium alloys. Unlike other copper-base alloys, which get their strength through cold ...
Step 11: Cut into squares with pizza cutter or knifeStep 12: Separate and serveServe your rice krispie treats while they are fresh. You will be amazed how good they are when freshly made. Delicious, gooey goodness.Want to see how it’s made? Then check out this quick video from How...
depending on the quantity of articles supplied and the amount of heat to be transmitted; rolls of the furnace are set in the high temperature zone at a short distance from each other; and baffle plates between the zones are set at the smallest possible distance from the rolling track or the...
With deeply buried splinters, you may need to cut a bit of the skin away with your scalpel or disinfected knife to expose the object. Cut carefully along the long axis of the splinter. You want to “tease” the skin open just enough to get a firm grip on the splinter’s head. ...
Watch this video for a quick run down on using your knife: # 1: DON’T Cut Or Expose The Edge To Anything Except Food. Kitchen knives are designed to cut food and nothing else. This will make the biggest difference in how long your edge lasts, and is the most important thing...
“stone age”—Lowell says he used a “retracting wire knife” to sever bundles of neuronal projections that emanated from the PVH and connected to neurons outside it—but they were effective. When the anesthetized rodents Lowell had operated on woke up, they were crazed with hunger, and ...