2266998 发表于 3 天前

你得有那个运载能力!

那枚“大炸弹”的重量超过13吨!B2只能装俩!就这俩增加的起飞重量大概就得30吨!我说,送你一枚,你没有用!摆家里烧香膜拜!哈哈,

那个合金钢我还没有查到!那么大的速度砸下来,入地60米,这东西给我玩!我没戏!鸟国空心化了吗?没有,从苹果手机,到玻璃,到轰炸机、大炸弹、都是世界独一份!这就是工业!

经常有人试图与阿拉聊焊接!就是他的东西焊好就会裂 ,我问,里面的事情你明白不明白?完全不明白就聊无可聊,裂是哪里裂的?首先说明白这个问题!

老普厉害吗?当然厉害!可以玩弄老犹太,就这点就是非常厉害的 ,确实是一枚狠人 ,骚鸟的“轰炸通道”需要老犹太给完全扫清,那条路径完全没有防空之后,老普过来轰炸!这才是真的赢了、

B2机组非常辛苦,一次飞行几十个小时,有看摊的,有睡觉的,有吃饭的,有去拉屎的,哈哈,需要GPS,背后还背着“星位仪”,路过某个坐标,还需要发送短脉冲会知沿途,就是大爷我过去了!真的非常复杂,

井下的车,就没办法使用GPS,怎么办?首先靠惯导!就是具备蒙眼狂奔的能力!途经之处,类似小狗撒尿,坏猫由此路过,路口需要超声波,激光组合测量,修正惯导误差!就怎么简单,而做出系统,需要几十枚码农编程,不眠不休!

一句话:你最好不生在伊朗,万一生在伊朗,想办法留鸟米,万一大神棍自己跑路了?你怎么办?

普京诱使大神棍跑路,熊收留!我操!李爷要是大神棍就不敢过去投熊,万一把李爷捆了送给骚鸟怎么办?鸟把李爷过油红烧了!哈哈,

辰宇 发表于 3 天前

这得空中加油一次

迷茫的维修 发表于 3 天前

↘2024年,山东电力现货市场光伏发电结算均价是0.17元/度。

↘ 2025年1~3月,山东电力现货市场光伏发电结算均价是0.073元/度。

↘2025年4月,山东电力现货市场光伏发电结算均价是0.016元/度。

米兰的小铁匠 发表于 3 天前

We also don’t know if the B-2 group that appeared to be sent out over the Pacific could have made it to Iran on the timetable now established. It is very possible this was a feint in order to provide cover for the real strike force. We are looking into the timing and will report more when we can more definitively answer this question.
It seems most likely that another group of B-2s was sent east, using the already deployed tanker bridge, to clandestinely carry out the strikes. They could have also been moved in the days prior, clandestinely, to bases closer to Iran. Even the B-2 shelters in Diego Garcia could have hidden four B-2s. The UK is another established B-2 operating base, but they could have gone somewhere else, as well. The B-2 community has worked to hone its forward operations capabilities in recent years.

大色猫 发表于 3 天前

那个合金钢我还没有查到!查到了,八爷给大旱做贡献。
从稀有合金生产,合金钢冶炼去杂。

剩下的我就完全不知道了,这类合金撞击弹头是一体铸造还是锻压之后再加工。完全不清楚。

防这种纯动能武器,硬接不行,只能防御,迫使它钻地的时候改变方向。但是鸟一次打几枚,180度无死角。

如果这次就是直接从关岛装蛋,直飞伊朗,就从湖北上空走。完全拿它没有任何办法。

之前很多上海市民,肉眼就看到这玩意到处飞,那时候个人摄像工具不行。
反正挺可怕的,

大旱现在也不说话,吓住了。

skyloss 发表于 前天 08:44

Eglin steel (ES-1) is a high-strength, high-performance, low-alloy, low-cost steel, developed for a new generation of bunker buster type bombs, e.g. the Massive Ordnance Penetrator and the improved version of the GBU-28 bomb known as EGBU-28. It was developed in collaboration between the US Air Force and the Ellwood National Forge Company.

The development of Eglin steel was commissioned to find a low-cost replacement for strong and tough but expensive superalloy steels such as AF-1410, Aermet-100, HY-180, and HP9-4-20/30. A high-performance casing material is required so the weapon survives the high impact speeds required for deep penetration. The material has a wide range of other applications, from missile parts and tank bodies to machine parts.

The material can be less expensive because it can be ladle-refined. It does not require vacuum processing. Unlike some other high-performance alloys, Eglin steel can be welded easily, broadening the range of its application. Also, it uses roughly half as much nickel as other superalloys, substituting silicon to help with toughness and particles of vanadium carbide and tungsten carbide for additional hardness and high-temperature strength. The material also involves chromium, tungsten, and low to medium amounts of carbon, which contribute to the material's strength and hardness.

skyloss 发表于 前天 08:44

At room temperature, ES-1's yield (tensile strength before deformation) is 193,900 psi (1,337 MPa), ultimate strength (breaking point) is 246,700 psi (1,701 MPa). At 900°F (482°C), yield is 191,400 psi (1,320 MPa), and ultimate strength is 215,700 psi (1,487 MPa). Rockwell C hardness is 45.6 (448 HV10). For toughness, the Charpy notch impact is 56.2 foot-pounds (76 J) at room temperature, and 42.7 ft-lbs (58 J) at -40F (-40°C).

ES-1 is a balance of cost, tensile strength, high temperature tensile strength and toughness. By varying the heat treatment to include water or liquid nitrogen quenching, or omitting the normalization heat-treat to permit work hardening, properties can be improved. ES-5, with an economical air and water quench, provides 244,800 psi (1,688 MPa) of high-rate yield strength, and 291,900 psi (2,013 MPa) high-rate ultimate strength. Low-rate yield strength is 216,000 psi (1,489 MPa), and low-rate ultimate strength is 270,200 psi (1,863 MPa).

By comparison, ordinary structural steel has a yield strength of 36,000 psi, 4150 "ordnance" steel (used in high-quality military gun barrels) has a yield strength of 75,000 psi.

skyloss 发表于 前天 08:45

The material composition by weight is:

Iron (84.463–90%)
Carbon (0.16–0.35%)
Manganese (0.85%)
Silicon (max. 1.25%), stabilizes the austenite phase, enhances toughness
Chromium (max. 1.50–3.25%), enhances strength and hardenability
Molybdenum (max. 0.55%), enhances hardenability
Nickel (5.00%), increases toughness
Tungsten (0.70–3.25%), enhances strength and wear resistance
Vanadium (0.05–0.3%), increases toughness
Copper (0.50%)
Phosphorus (impurity, max. 0.015%)
Sulfur (impurity, max. 0.012%)
Calcium (max. 0.02%), sulfur control agent
Nitrogen (impurity, max. 0.14%)
Aluminium (max. 0.05%)
The material has an unusually wide range of production methods for a superalloy: electric arc, ladle refined with vacuum treatment; vacuum induction melting; vacuum arc remelting, and even electro slag remelting. Vacuum treatments are recommended for best strength and premium uses.

The material has to undergo heat treatment involving normalization, quenching and tempering to develop the required austenitic microstructure, with subsequent tempering. Test plates were 1 inch. First they were normalized. They were charged in a furnace at 500F. Heated at 125F per hour to 1625–1725F. Held at 1750F for an hour per inch of section size, and then air-cooled to room temperature. Next the samples were austenized by repeating the process up to 1700F, and held for an hour per inch of section size, then oil quenched to below 125F. Finally, they were tempered by in an oven that started below 500F, increased at 100F per hour per inch of section size, and allowed to air-cool to room temperature.

skyloss 发表于 前天 08:49

The GBU-57 uses a BLU-127 series bomb as the explosive component. The BLU-127 series bombs feature modular design that allows for incremental improvements and future upgrades. One variant of the BLU-127 bomb body contains 4,590 pounds (2,082 kg) of AFX-757 and 752 pounds (341 kg) of polymer-bonded explosive (PBX) PBXN-114, for a total explosive payload of 5,342 pounds (2,423 kg). The PBX is optimized for controlled detonation in confined spaces. The bomb's casing is made from high-density Eglin steel alloy, engineered to survive the extreme stresses of deep penetration before detonation.

skyloss 发表于 前天 08:49

https://www.dote.osd.mil/Portals/97/pub/reports/FY2012/af/2012mop.pdf?ver=2019-08-22-111755-737

https://en.wikipedia.org/wiki/GBU-57A/B_MOP
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